Thành viên:Arisa/him.js

/*
 *  H.I.M JavaScript Vietnamese Input Method Source File 1.13 build 20050810
 *
 *	Copyright (C) 2004  Hieu Dang Tran <lt2hieu2004 (at) sf (dot) net>
 *	Website:	http://hieu.acunett.com
 *				http://rhos.sf.net
 *
 *	You are allowed to use this software in any way you want providing:
 *		1. You must retain this copyright notice at all time
 *		2. You must not claim that you or any other third party is the author
 *		   of this software in any way.
 * * *
 * Do not forget to declare variables.
*/

var notV="" //Put the ID of the field you DON'T want to let users type Vietnamese in, multiple fields allowed, separated by a comma (,)
var fID="htmlbox" //Put the ID of the iframe you want to let users type Vietnamese in
var useCookie=0 //Set this to 0 to NOT use cookies, 1 to USE cookies. Should be set to 0 as you have selected your own vars method and on_off
var radioID=new Array("him_auto","him_telex","him_vni","him_viqr","him_off","him_ckspell")
var agt=navigator.userAgent.toLowerCase(),alphabet="QWERTYUIOPASDFGHJKLZXCVBNM\ ",them,spellerr,setCookie,getCookie
var is_ie=((agt.indexOf("msie")!=-1) && (agt.indexOf("opera")==-1)),S,F,J,R,X,D,oc,sk,saveStr,iwindow,frame,is_opera=false
var ver="",support=true,changed=false,uni,uni2,g,h,SFJRX,DAWEO,Z,AEO,moc,trang,kl=0,tw5
var skey=new Array(97,226,259,101,234,105,111,244,417,117,432,121,65,194,258,69,202,73,79,212,416,85,431,89)
var skey2="a,a,a,e,e,i,o,o,o,u,u,y,A,A,A,E,E,I,O,O,O,U,U,Y".split(','),A,E,O
var english=fcc(272)+fcc(194)+fcc(258)+fcc(416)+fcc(431)+fcc(202)+fcc(212),ds1=new Array('d','D'),db1=new Array(273,272)
var os1=new Array('o','O',417,416,243,211,242,210,7885,7884,7887,7886,245,213,7898,7900,7906,7902,7904)
var ob1=new Array(244,212,244,212,7889,7888,7891,7890,7897,7896,7893,7892,7895,7894,7888,7890,7896,7892,7894)
var mocs1=new Array('o','O',244,212,'u','U',243,211,242,210,7885,7884,7887,7886,245,213,250,218,249,217,7909,7908,7911,7910,361,360,7888,7890,7896,7892,7894)
var mocb1=new Array(417,416,417,416,432,431,7899,7898,7901,7900,7907,7906,7903,7902,7905,7904,7913,7912,7915,7914,7921,7920,7917,7916,7919,7918,7898,7900,7906,7902,7904)
var trangs1=new Array('a','A',226,194,225,193,224,192,7841,7840,7843,7842,227,195,7844,7846,7852,7848,7850)
var trangb1=new Array(259,258,259,258,7855,7854,7857,7856,7863,7862,7859,7858,7861,7860,7854,7856,7862,7858,7860)
var as1=new Array('a','A',259,258,225,193,224,192,7841,7840,7843,7842,227,195,7854,7856,7862,7858,7860,7870,7872,7878,7874,7876)
var ab1=new Array(226,194,226,194,7845,7844,7847,7846,7853,7852,7849,7848,7851,7850,7844,7846,7852,7848,7850,201,200,7864,7866,7868)
var es1=new Array('e','E',233,201,232,200,7865,7864,7867,7866,7869,7868),eb1=new Array(234,202,7871,7870,7873,7872,7879,7878,7875,7874,7877,7876)

function notWord(word) {
	var str="\ \r\n#,\\;.:-_()<>+-*/=?!\"$%{}[]\'~|^\@\&\t"+fcc(160)
	return (str.indexOf(word)>=0)
}
function mozGetText(obj) {
	var v=obj.value,pos,w="";g=1
	if(v.length<=0) return false
	if (!obj.data) {
		if (!obj.setSelectionRange) return false
		pos=obj.selectionStart
	} else pos=obj.pos
	while(1) {
		if(pos-g<0) break
		else if(notWord(v.substr(pos-g,1))) { if(v.substr(pos-g,1)=="\\") w=v.substr(pos-g,1)+w; break }
		else w=v.substr(pos-g,1)+w; g++
	}
	return new Array(w,pos)
}
function start(obj,key) {
	var w=""; oc=obj; uni2=false
	if(method==0) { uni="D,A,E,O,W,W".split(','); uni2="9,6,6,6,7,8".split(',') }
	else if(method==1) uni="D,A,E,O,W,W".split(',')
	else if(method==2) uni="9,6,6,6,7,8".split(',')
	else if(method==3) uni="D,^,^,^,+,(".split(',')
	if(!is_ie) {
		key=fcc(key.which)
		w=mozGetText(obj)
		if(!w) return
		main(w[0],key,w[1],uni)
		if(!dockspell) w=mozGetText(obj)
		if(!w) return
		if((uni2)&&(!changed)) main(w[0],key,w[1],uni2)
	} else {
		obj=ie_getText(obj)
		if(obj) {
			var sT=obj.curword.text
			w=main(obj.curword.text,key,0,uni)
			if((uni2)&&((w==sT)||(typeof(w)=='undefined'))) w=main(obj.curword.text,key,0,uni2)
			if(w) obj.curword.text=w
		}
	}
}
function ie_getText(obj) {
	var caret=obj.document.selection.createRange(),w=""
	if(caret.text) caret.text=""
	while(1) {
		caret.moveStart("character",-1)
		if(w.length==caret.text.length) break
		w=caret.text
		if(notWord(w.charAt(0))) {
			if(w.charCodeAt(0)==13) w=w.substr(2)
			else if(w.charAt(0)!="\\") w=w.substr(1)
			break
		}
	}
	if(w.length) {
		caret.collapse(false)
		caret.moveStart("character",-w.length)
		obj.curword=caret.duplicate()
		return obj
	} else return false
}
function ie_replaceChar(w,pos,c) {
	var r=""
	if (((c==417)||(c==416))&&(w.substr(w.length-pos-1,1).toUpperCase()=='U')&&(pos!=1)&&(w.substr(w.length-pos-2,1).toUpperCase()!='Q')) {
		if (w.substr(w.length-pos-1,1)=='u') r=fcc(432)
		else r=fcc(431)
	}
	if (!isNaN(c)) {
		changed=true; r+=fcc(c)
		return w.substr(0,w.length-pos-r.length+1)+r+w.substr(w.length-pos+1)
	} else return w.substr(0,w.length-pos)+c+w.substr(w.length-pos+1)
}
function tr(k,w,by,sf,i) {
	var r,pos=findC(w,k,sf)
	if(pos) {
		if(pos[1]) {
			if(is_ie) return ie_replaceChar(w,pos[0],pos[1])
			else return replaceChar(oc,i-pos[0],pos[1])
		} else {
			var c,pC; r=sf; pC=w.substr(w.length-pos,1)
			for(g=0; g<r.length; g++) {
				if(isNaN(r[g])) var cmp=pC
				else var cmp=pC.charCodeAt(0)
				if(cmp==r[g]) {
					if(!isNaN(by[g])) c=by[g]
					else c=by[g].charCodeAt(0)
					if(is_ie) return ie_replaceChar(w,pos,c)
					else return replaceChar(oc,i-pos,c)
				}
			}
		}
	}
	return false
}
function main(w,k,i,a) {
	var uk=k.toUpperCase(),bya=new Array(db1,ab1,eb1,ob1,mocb1,trangb1),got=false
	var sfa=new Array(ds1,as1,es1,os1,mocs1,trangs1),by=new Array(),sf=new Array()
	if((method==2)||((method==0)&&(a[0]=="9"))) {
		DAWEO="6789";SFJRX="12534";S="1";F="2";J="5";R="3";X="4";Z="0";D="9";FRX="234";AEO="6";moc="7";trang="8";them="678";A="^";E="^";O="^"
	} else if(method==3) { 
		DAWEO="^+(D";SFJRX="'`.?~";S="'";F="`";J=".";R="?";X="~";Z="-";D="D";FRX="`?~";AEO="^";moc="+";trang="(";them="^+(";A="^";E="^";O="^"
	} else if((method==1)||((method==0)&&(a[0]=="D"))) {
		SFJRX="SFJRX";DAWEO="DAWEO";D='D';S='S';F='F';J='J';R='R';X='X';Z='Z';FRX="FRX";them="AOEW";trang="W";moc="W";A="A";E="E";O="O"
	}
	if(SFJRX.indexOf(uk)>=0) {
		var ret=sr(w,k,i); got=true
		if(ret) return ret
	} else if(uk==Z) { sf=ZF('sf'); by=ZF('by'); got=true }
	else for(h=0; h<a.length; h++) if(a[h]==uk) { got=true; by=by.concat(bya[h]); sf=sf.concat(sfa[h]) }
	if(!got) return normC(w,k,i)
	return finish_uni(k,w,by,sf,i,uk)
}
function finish_uni(k,w,by,sf,i,uk) { if((DAWEO.indexOf(uk)>=0)||(Z.indexOf(uk)>=0)) return tr(k,w,by,sf,i) }
function ZF(k) {
	if(k=='sf') {
		var sf=repSign(null)
		for(h=0; h<english.length; h++) {
			sf[sf.length]=english.toLowerCase().charCodeAt(h)
			sf[sf.length]=english.charCodeAt(h)
		}
		return sf
	} else if(k=='by') {
		var by=new Array(),t="d,D,a,A,a,A,o,O,u,U,e,E,o,O".split(',')
		for (h=0; h<5; h++) { for (g=0; g<skey.length; g++) by[by.length]=skey[g] }
		for (h=0; h<t.length; h++) by[by.length]=t[h]
		return by
	}
}
function normC(w,k,i) {
	var uk=k.toUpperCase(),u=repSign(null),fixSign,sf=new Array(),c,j
	for(j=1; j<=w.length; j++) {
		for(h=0; h<u.length; h++) {
			if(u[h]==w.charCodeAt(w.length-j)) {
				if(h<=23) fixSign=S
				else if(h<=47) fixSign=F
				else if(h<=71) fixSign=J
				else if(h<=95) fixSign=R
				else fixSign=X
				c=skey[h%24]; if(alphabet.indexOf(uk)<0) return w
				w=w.substr(0,w.length-j)+fcc(c)+w.substr(w.length-j+1)+k
				if(!is_ie) {
					if(!oc.data) {
						var sp=oc.selectionStart,sst=oc.scrollTop
						oc.value=oc.value.substr(0,oc.selectionStart)+k+oc.value.substr(oc.selectionEnd)
						oc.setSelectionRange(sp+1,sp+1); oc.scrollTop=sst
					} else if(k.charCodeAt(0)!=32) { saveStr=k+saveStr; kl=1 }
					for(g=0; g<skey.length; g++) sf[sf.length]=fcc(skey[g])
					var pos=findC(w,fixSign,sf); changed=true; if((k.charCodeAt(0)==32) && (oc.data)) changed=false
					if(!pos) return
					var cc=retUni(w,fixSign,pos)
					replaceChar(oc,i-j,c)
					replaceChar(oc,i-pos+1,cc)
					if((k.charCodeAt(0)==32) && (oc.data)) changed=false
					return
				} else {
					var ret=sr(w,fixSign,0)
					if(ret) return ret
				}
			}
		}
	}
}
function nospell(word,k) { return false }
function ckspell(word,k) {
	word=unV(word); var exc="UOU,IEU".split(','),z,next=true,noE="UOU,UOI,IEU,AO,IA".split(','),noBE="YEU",noB="YE",test
	var check=true,noM="UE,UYE,IU,EU,UY".split(','),noMT="AY,AU".split(','),noT="UA",t=-1,notV2="IAO"
	var upword=word.toUpperCase(),tmpword=upword,update=false,gi="IO",noAOEW="OE,OO,AO,EO,IA,AI".split(','),noAOE="OA"
	var notViet="AA,AE,EE,OU,YY,YI,IY,EY,EA,EI,II,IO,YO,YA,YU,OOO".split(','),uk=k.toUpperCase(),twE,uw2=unV2(upword)
	var vSConsonant="B,C,D,G,H,K,L,M,N,P,Q,R,S,T,V,X".split(','),vDConsonant="CH,GI,KH,NGH,GH,NG,NH,PH,QU,TH,TR".split(',')
	var vDConsonantE="CH,NG,NH".split(','),sConsonant="C,P,T,CH".split(','),vSConsonantE="C,M,N,P,T".split(',')
	var noNHE="E,O,U".split(','),oMoc="UU,UOU".split(',')
	if(FRX.indexOf(uk)>=0) {
		for(g=0; g<sConsonant.length; g++) {
			if(upword.substr(upword.length-sConsonant[g].length,sConsonant[g].length)==sConsonant[g]) return true
		}
	}
	for(g=0; g<word.length; g++) {
		if("FJZW1234567890".indexOf(uw2.substr(g,1))>=0) return true
		for(h=0; h<notViet.length; h++) {
			if(uw2.substr(g,notViet[h].length)==notViet[h]) {
				for(z=0; z<exc.length; z++) if(uw2.indexOf(exc[z])>=0) next=false
				if((next)&&((gi.indexOf(notViet[h])<0)||(g<=0)||(uw2.substr(g-1,1)!='G'))) return true
			}
		}
	}
	for(g=1; g<word.length; g++) { if("SX".indexOf(upword.substr(g,1))>=0) return true }
	for(h=0; h<vDConsonant.length; h++) {
		if(tmpword.substr(0,vDConsonant[h].length)==vDConsonant[h]) {
			tmpword=tmpword.substr(vDConsonant[h].length)
			update=true; t=h; break
		}
	}
	if(!update) {
		for(h=0; h<vSConsonant.length; h++) {
			if(tmpword.substr(0,1)==vSConsonant[h]) { tmpword=tmpword.substr(1); break }
		}
	}
	if((tmpword!=upword)&&(uw2.indexOf(noB)>=0)&&(uw2.indexOf("UYE")<0)) return true
	update=false; twE=tmpword
	for(h=0; h<vDConsonantE.length; h++) {
		if(tmpword.substr(tmpword.length-vDConsonantE[h].length)==vDConsonantE[h]) {
			tmpword=tmpword.substr(0,tmpword.length-vDConsonantE[h].length)
			if(h==2) for(z=0; z<noNHE.length; z++) if(tmpword==noNHE[z]) return true
			update=true; break
		}
	}
	if(!update) {
		for(h=0; h<vSConsonantE.length; h++) {
			if(tmpword.substr(tmpword.length-1)==vSConsonantE[h]) { tmpword=tmpword.substr(0,tmpword.length-1); break }
		}
	}
	if(tmpword) {
		for(g=0; g<vDConsonant.length; g++) {
			for(h=0; h<tmpword.length; h++) { if(tmpword.substr(h,vDConsonant[g].length)==vDConsonant[g]) return true }
		}
		for(g=0; g<vSConsonant.length; g++) { if(tmpword.indexOf(vSConsonant[g])>=0) return true }
	}
	test=tmpword.substr(0,1)
	if((t==3)&&((test=="A")||(test=="O")||(test=="U")||(test=="Y"))) return true
	if((t==5)&&((test=="E")||(test=="I")||(test=="Y"))) return true
	uw2=unV2(tmpword)
	if(uw2==notV2) return true
	if(tmpword!=twE) for(z=0; z<noE.length; z++) if(uw2==noE[z]) return true
	if((tmpword!=upword)&&(uw2==noBE)) return true
	if(uk!=moc) for(z=0; z<oMoc.length; z++) if(tmpword==oMoc[z]) return true
	if((uw2.indexOf('UYE')>0)&&(uk=='E')) check=false
	if((them.indexOf(uk)>=0)&&(check)) {
		for(g=0; g<noAOEW.length; g++) if(uw2.indexOf(noAOEW[g])>=0) return true
		if(uk!=trang) if(uw2==noAOE) return true
		if((uk==trang)&&(trang!='W')) if(uw2==noT) return true
		if(uk==moc) for(g=0; g<noM.length; g++) if(uw2==noM[g]) return true
		if((uk==moc)||(uk==trang)) for(g=0; g<noMT.length; g++) if(uw2==noMT[g]) return true
	}
	tw5=tmpword
	if((uw2.charCodeAt(0)==272)||(uw2.charCodeAt(0)==273)) { if(uw2.length>4) return true }
	else if(uw2.length>3) return true
	return false
}
function DAWEOF(cc,k) {
	var ret=new Array();ret[0]=g
	if(k==A) {
		if(cc==226) ret[1]='a'
		else if(cc==194) ret[1]='A'
	}
	if(k==moc) {
		if(cc==417) ret[1]='o'
		else if(cc==416) ret[1]='O'
		else if(cc==432) ret[1]='u'
		else if(cc==431) ret[1]='U'
	}
	if(k==trang) {
		if(cc==259) ret[1]='a'
		else if(cc==258) ret[1]='A'
	}
	if(k==E) {
		if(cc==234) ret[1]='e'
		else if(cc==202) ret[1]='E'
	}
	if(k==O) {
		if(cc==244) ret[1]='o'
		else if(cc==212) ret[1]='O'
	}
	if(ret[1]) return ret
	else return false
}
function findC(word,k,sf) {
	if((method==3)&&(word.substr(word.length-1,1)=="\\")) return new Array(1,k.charCodeAt(0))
	if(spellerr(word,k)) return false
	var str="",res,cc="",pc="",tE="",vowArr=new Array(),s=fcc(194)+fcc(258)+fcc(202)+fcc(212)+fcc(416)+fcc(431),c=0,donext=false
	for(g=0; g<sf.length; g++) {
		if(isNaN(sf[g])) str+=sf[g]
		else str+=fcc(sf[g])
	}
	var uk=k.toUpperCase(),i=word.length,uni_array=repSign(k),w2=unV2(word.toUpperCase()),dont=new Array(fcc(431)+"A",fcc(431)+"U")
	if (DAWEO.indexOf(uk)>=0) {
		if(uk==moc) {
			if((w2.indexOf("UU")>=0)&&(tw5!=dont[1])) {
				if(w2.indexOf("UU")==(word.length-2)) res=2
				else return false
			} else if(w2.indexOf("UOU")>=0) {
				if(w2.indexOf("UOU")==(word.length-3)) res=2
				else return false
			}
		}
		if(!res) {
			for(g=1; g<=word.length; g++) {
				cc=word.substr(word.length-g,1)
				pc=word.substr(word.length-g-1,1).toUpperCase()
				uc=cc.toUpperCase()
				for(h=0; h<dont.length; h++) if((tw5==dont[h])&&(tw5==unV(pc+uc))) donext=true
				if(donext) { donext=false; continue }
				if(str.indexOf(uc)>=0) {
					if(((uk==moc)&&(uc=='U')&&(word.substr(word.length-g+1,1).toUpperCase()=='A'))||((uk==trang)&&(uc=='A')&&(pc=='U'))) {
						ccc=word.substr(word.length-g-2,1).toUpperCase()
						if(ccc!="Q") res=g+1
						else if(uk==trang) res=g
						else if(moc!=trang) return false
					} else res=g
					break
				} else if(english.indexOf(uc)>=0) {
					charCode=cc.charCodeAt(0)
					if(uk==D) {
						if(charCode==273) res=new Array(g,'d')
						else if(charCode==272) res=new Array(g,'D')
					} else res=DAWEOF(charCode,uk)
					if(res) break
				}
			}
		}
	}
	if((uk!=Z)&&(DAWEO.indexOf(uk)<0)) { var tEC=retKC(uk); for (g=0; g<tEC.length; g++) tE+=fcc(tEC[g]) }
	for(g=1; g<=word.length; g++) {
		if(DAWEO.indexOf(uk)<0) {
			cc=word.substr(word.length-g,1).toUpperCase()
			pc=word.substr(word.length-g-1,1).toUpperCase()
			if(str.indexOf(cc)>=0) {
				if(cc=='U') {
					if(pc!='Q') { c++; vowArr[vowArr.length]=g }
				} else if(cc=='I') {
					if((pc!='G') || (c<=0)) { c++; vowArr[vowArr.length]=g }
				} else { c++; vowArr[vowArr.length]=g }
			} else if(uk!=Z) {
				for(h=0; h<uni_array.length; h++) if(uni_array[h]==word.charCodeAt(word.length-g)) return new Array(g,tEC[h%24])
				for(h=0; h<tEC.length; h++) if(tEC[h]==word.charCodeAt(word.length-g)) return new Array(g,fcc(skey[h]))
			}
		} else if((uk!=Z)&&(!res)) {
			for(h=0; h<uni_array.length; h++) {
				if(uni_array[h]==word.charCodeAt(word.length-g)) {
					var nk, kc=skey[h%24]; sf=getSF()
					if(h<=23) nk=S
					else if(h<=47) nk=F
					else if(h<=71) nk=J
					else if(h<=95) nk=R
					else nk=X
					word=word.substr(0,word.length-g)+fcc(kc)+word.substr(word.length-g+1)+k
					return findC(word,nk,sf)
				}
			}
		}
	}
	if(DAWEO.indexOf(uk)<0) {
		for(g=1; g<=word.length; g++) {
			if((uk!=Z)&&(s.indexOf(word.substr(word.length-g,1).toUpperCase())>=0)) return g
			else if(tE.indexOf(word.substr(word.length-g,1))>=0) {
				for(h=0;h<tEC.length;h++) {
					if(word.substr(word.length-g,1).charCodeAt(0)==tEC[h]) return new Array(g,fcc(skey[h]))
				}
			}
		}
	}
	if(res) return res
	if((c==1) || (uk==Z)) return vowArr[0]
	else if(c==2) {
		var v=2
		if(word.substr(word.length-1)==" ") v=3
		var ttt=word.substr(word.length-v,2).toUpperCase()
		if((!dauCu)&&((ttt=="UY")||(ttt=="OA")||(ttt=="OE"))) return vowArr[0]
		var c2=0,fdconsonant,sc="BCD"+fcc(272)+"GHKLMNPQRSTVX",dc="CH,GI,KH,NGH,GH,NG,NH,PH,QU,TH,TR".split(',')
		for(h=1; h<=word.length; h++) {
			fdconsonant=false
			for(g=0; g<dc.length; g++) {
				if(dc[g].indexOf(word.substr(word.length-h-dc[g].length+1,dc[g].length).toUpperCase())>=0) {
					c2++; fdconsonant=true
					if(dc[g]!='NGH') h++
					else h+=2
				}
			}
			if(!fdconsonant) {
				if(sc.indexOf(word.substr(word.length-h,1).toUpperCase())>=0) c2++
				else break
			}
		}
		if((c2==1)||(c2==2)) return vowArr[0]
		else return vowArr[1]
	} else if(c==3) return vowArr[1]
	else return false
}
function unV(w) {
	var u=repSign(null)
	for(g=1; g<=w.length; g++) {
		for(h=0; h<u.length; h++) {
			if(u[h]==w.charCodeAt(w.length-g)) {
				w=w.substr(0,w.length-g)+fcc(skey[h%24])+w.substr(w.length-g+1)
			}
		}
	}
	return w
}
function unV2(w) {
	for(g=1; g<=w.length; g++) {
		for(h=0; h<skey.length; h++) {
			if(skey[h]==w.charCodeAt(w.length-g)) {
				w=w.substr(0,w.length-g)+skey2[h]+w.substr(w.length-g+1)
			}
		}
	}
	return w
}
function repSign(k) {
	var t=new Array(), u=new Array()
	for (g=0; g<5; g++) {
		if ((k==null) || (SFJRX.substr(g,1)!=k.toUpperCase())) {
			t=retKC(SFJRX.substr(g,1))
			for (h=0; h<t.length; h++) u[u.length]=t[h]
		}
	}
	return u
}
function sr(w,k,i) {
	var sf=getSF()
	pos=findC(w,k,sf)
	if(pos) {
		if(pos[1]) {
			if(!is_ie) replaceChar(oc,i-pos[0],pos[1])
			else return ie_replaceChar(w,pos[0],pos[1])
		} else {
			var c=retUni(w,k,pos)
			if (!is_ie) replaceChar(oc,i-pos,c)
			else return ie_replaceChar(w,pos,c)
		}
	}
	return false
}
function retUni(w,k,pos) {
	var u=retKC(k.toUpperCase()),uC,lC,c=w.charCodeAt(w.length-pos)
	for (g=0; g<skey.length; g++) if (skey[g]==c) {
		if (g<12) { lC=g; uC=g+12 }
		else { lC=g-12; uC=g }
		if (fcc(c)!=fcc(c).toUpperCase()) return u[lC]
		return u[uC]
	}
}
function replaceChar(o,pos,c) {
	if(!isNaN(c)) { var replaceBy=fcc(c); changed=true }
	else var replaceBy=c
	if(!o.data) {
		var savePos=o.selectionStart,sst=o.scrollTop
		if (((c==417)||(c==416))&&(o.value.substr(pos-1,1).toUpperCase()=='U')&&(pos<savePos-1)&&(o.value.substr(pos-2,1).toUpperCase()!='Q')) {
			if (o.value.substr(pos-1,1)=='u') var r=fcc(432)
			else var r=fcc(431)
		}
		o.setSelectionRange(pos,pos+1)
		o.value=o.value.substr(0,o.selectionStart)+replaceBy+o.value.substr(o.selectionEnd)
		if(r) {
			o.setSelectionRange(pos-1,pos)
			o.value=o.value.substr(0,o.selectionStart)+r+o.value.substr(o.selectionEnd)
		}
		o.setSelectionRange(savePos,savePos); o.scrollTop=sst
	} else {
		if (((c==417) || (c==416)) && (o.data.substr(pos-1,1).toUpperCase()=='U') && (pos<o.pos-1)) {
			if (o.data.substr(pos-1,1)=='u') var r=fcc(432)
			else var r=fcc(431)
		}
		o.deleteData(pos,1); o.insertData(pos,replaceBy)
		if(r) { o.deleteData(pos-1,1); o.insertData(pos-1,r) }
	}
}
function retKC(k) {
	if(k==S) return new Array(225,7845,7855,233,7871,237,243,7889,7899,250,7913,253,193,7844,7854,201,7870,205,211,7888,7898,218,7912,221)
	else if(k==F) return new Array(224,7847,7857,232,7873,236,242,7891,7901,249,7915,7923,192,7846,7856,200,7872,204,210,7890,7900,217,7914,7922)
	else if(k==J) return new Array(7841,7853,7863,7865,7879,7883,7885,7897,7907,7909,7921,7925,7840,7852,7862,7864,7878,7882,7884,7896,7906,7908,7920,7924)
	else if(k==R) return new Array(7843,7849,7859,7867,7875,7881,7887,7893,7903,7911,7917,7927,7842,7848,7858,7866,7874,7880,7886,7892,7902,7910,7916,7926)
	else if(k==X) return new Array(227,7851,7861,7869,7877,297,245,7895,7905,361,7919,7929,195,7850,7860,7868,7876,296,213,7894,7904,360,7918,7928)
}
function getSF() { var sf=new Array(); for(var x=0; x<skey.length; x++) sf[sf.length]=fcc(skey[x]); return sf }
function setMethod(m) {
	if(m==-1) { on_off=0; if(document.getElementById(radioID[4])) document.getElementById(radioID[4]).checked=true }
	else { on_off=1; method=m; if(document.getElementById(radioID[m])) document.getElementById(radioID[m]).checked=true }
	setSpell(dockspell); setCookie(); if(support) statusMessage()
}
function onKeyDown(e) {
	if (e=='iframe') var key=frame.event.keyCode
	else var key=(!is_ie)?e.which:window.event.keyCode
	if((key==120)||(key==123)||(key==119)) {
		if(key==120) {
			on_off=1
			if(method==3) method=0
			else method++
			setMethod(method)
		} else if(key==119) {
			if(dockspell==0) { dockspell=1; spellerr=ckspell }
			else { dockspell=0; spellerr=nospell }
		} else if(key==123) {
			on_off=(on_off==0)?1:0
			if(on_off==0) setMethod(-1)
			else setMethod(method)
		}
		setCookie()
	}
	if(support) statusMessage()
}
function setSpell(box) {
	if(typeof(box)=="number") { 
		spellerr=(box==1)?ckspell:nospell
		if(document.getElementById(radioID[5])) document.getElementById(radioID[5]).checked=box
	}
	else {
		if(box.checked) { spellerr=ckspell; dockspell=1 }
		else { spellerr=nospell; dockspell=0 }
	}
	setCookie(); if(support) statusMessage()
}
function statusMessage() {
	var str='Gõ tiếng Việt: '
	if(on_off==0) str+='Tắt'
	else if(method==1) str+='TELEX'
	else if(method==2) str+='VNI'
	else if(method==3) str+='VIQR'
	else if(method==0) str+='Tự động'
	str+=" [F9] | Chính tả: "
	str+=(dockspell==0)?"Tắt":"Bật"
	str+=" [F8] | Bật/Tắt [F12]"
	window.status=str
}
function ifInit() {
	var sel=iwindow.getSelection(),range=null
	iwindow.focus()
	range=sel?sel.getRangeAt(0):document.createRange()
	return range
}
function ifMoz(e) {
	if(e.ctrlKey) return
	var code=e.which,range=ifInit(),node=range.endContainer; sk=fcc(code); saveStr=""
	if(checkCode(code) || !range.startOffset || (typeof(node.data)=='undefined')) return
	if(node.data) {
		saveStr=node.data.substr(range.endOffset)
		node.deleteData(range.startOffset,node.data.length)
	}
	range.setEnd(node,range.endOffset)
	range.setStart(node,0)
	if(!node.data) return
	node.value=node.data; node.pos=node.data.length; node.which=code
	start(node,e)
	node.insertData(node.data.length,saveStr)
	range.setEnd(node,node.data.length-saveStr.length+kl)
	range.setStart(node,node.data.length-saveStr.length+kl); kl=0
	if(changed) { changed=false; e.preventDefault() }
}
function FKeyPress(obj) {
	sk=fcc(obj.event.keyCode)
	if(checkCode(obj.event.keyCode)||(obj.event.ctrlKey)||((obj.event.altKey)&&(obj.event.keyCode!=92)&&(obj.event.keyCode!=126))) return
	start(obj,fcc(obj.event.keyCode))
}
function checkCode(code) { if(((on_off==0)||(code<45)||(code==145)||(code==255))&&(code!=32)&&(code!=39)&&(code!=40)&&(code!=43)) return true }
function fcc(x) { return String.fromCharCode(x) }
if(useCookie==1) { setCookie=doSetCookie; getCookie=doGetCookie }
else { setCookie=noCookie; getCookie=noCookie }
function noCookie() {}
function doSetCookie() {
	var now=new Date(),exp=new Date(now.getTime()+1000*60*60*24*365)
	exp=exp.toGMTString()
	document.cookie='HIM_on_off='+on_off+';expires='+exp
	document.cookie='HIM_method='+method+';expires='+exp
	document.cookie='HIM_ckspell='+dockspell+';expires='+exp
}
function doGetCookie() {
	var ck=document.cookie, res=/HIM_method/.test(ck)
	if((!res)||(ck.indexOf('HIM_ckspell')<0)) { setCookie(); return }
	var p,ckA=ck.split(';')
	for(var i=0;i<ckA.length;i++) {
		p=ckA[i].split('='); p[0]=p[0].replace(/^\s+/g,""); p[1]=parseInt(p[1])
		if(p[0]=='HIM_on_off') on_off=p[1]
		else if(p[0]=='HIM_method') method=p[1]
		else if(p[0]=='HIM_ckspell') {
			if(p[1]==0) { dockspell=0; spellerr=nospell }
			else { dockspell=1; spellerr=ckspell }
		}
	}
}
if(!is_ie) {
	if(agt.indexOf("opera")==-1) {
		for(var k=0; k<agt.length; k++) if(agt.substr(k,3)=="rv:") break
		k+=3; for(k; k<agt.length; k++) {
			if((isNaN(agt.substr(k,1))) && (agt.substr(k,1)!='.')) break
			ver+=agt.substr(k,1)
		}
		for(k=0; k<ver.length; k++) if(ver.substr(k,1)=='.') ver=ver.substr(0,k+2)
	} else {
		operaV=agt.split(" ")
		if(parseInt(operaV[operaV.length-1])>=8) is_opera=true
	}
}
if((is_ie)||(ver>=1.3)||(is_opera)) {
	getCookie()
	if(on_off==0) setMethod(-1)
	else setMethod(method)
	setSpell(dockspell); statusMessage()
}
else support=false
document.onkeydown=function(e) { onKeyDown(e) }
document.onkeypress=function(e) {
	if(!support) return
	if(!is_ie) { var el=e.target,code=e.which; if(e.ctrlKey) return; if((e.altKey)&&(code!=92)&&(code!=126)) return }
	else { var el=window.event.srcElement,code=window.event.keyCode; if((event.ctrlKey)&&(code!=92)&&(code!=126)) return }
	if(((el.type!='textarea')&&(el.type!='text')&&(el.id!=fID))||checkCode(code)) return
	sk=fcc(code); va=notV.split(","); for(i=0;i<va.length;i++) if((el.id==va[i])&&(va[i].length>0)) return
	if(!is_ie) start(el,e)
	else start(el,sk)
	if(changed) { changed=false; return false }
}
if(typeof(fID)!='undefined') {
	if(is_ie) {
		frame=document.frames[fID]
		if((typeof(frame)!='undefined') && (document.frames[fID].document)) {
			var doc=document.frames[fID].document
			doc.designMode="On"
			doc.onkeydown=function() { onKeyDown('iframe') }
			doc.onkeypress=function() { FKeyPress(frame); if(changed) { changed=false; return false } }
		}
	} else {
		if(document.getElementById(fID)) {
			iwindow=document.getElementById(fID).contentWindow
			var iframedit=iwindow.document
			iframedit.designMode="On"
			iframedit.addEventListener("keypress",ifMoz,true)
			iframedit.addEventListener("keydown",onKeyDown,true)
		}
	}
}