var date_seperator = '-';
var decimal_seperator = ',';
var thousand_seperator = '.';
var K_Validate = {
	Version: '1.0.0',
	Load: function(){
		var children = document.getElementsByTagName('input');
		for (var i = 0; i < children.length; i++) {
			var classNames = children[i].className.split(' ');

			if (children[i].className.match(new RegExp("(^|\\s)validatenum(\\s|$)"))) {
				this.addInListener(children[i],'keypress',K_Validate.checkNum);

				if (children[i].className.match(new RegExp("(^|\\s)thousand(\\s|$)"))) {
					this.addInListener(children[i],'focus',K_Validate.normalFormat);
					this.addInListener(children[i],'blur',K_Validate.formatThousand);
				}

			}
			if (children[i].className.match(new RegExp("(^|\\s)validatedate(\\s|$)"))) {
				this.addInListener(children[i],'keypress',K_Validate.checkDate);
				this.addInListener(children[i],'blur',K_Validate.isDate);
				children[i].maxlength=10;
			}

		}
	},
	addInListener : function (a,b,c){
		a["on"+b]=c
	},

	isNumeric: function(ch) {
		if (!(ch >= '0' && ch <= '9')) {
			return false;
		}
		return true;
	},

	elo : function (e){
		if (!e) var e = window.event;
		var eid = (window.event) ? e.srcElement : e.target;
		if(!eid) return false;
		return eid;
	},

	checkNum: function (e,not_dec,not_minus) {
		if(!e) e = window.event;
		if(window.event){
			keynum = e.keyCode
		}else if(e.which){
			keynum = e.which
		}
		if (K_Validate.elo(e).className.match(new RegExp("(^|\\s)nominus(\\s|$)"))) not_minus = true;
		if (K_Validate.elo(e).className.match(new RegExp("(^|\\s)nodecimal(\\s|$)"))) not_dec = true;
		if (!not_minus) not_minus = false;
		if (!not_dec) not_dec = false;
		var obj = (window.event) ? e.srcElement: e.target;

		var keychar;
		if (keynum == null) return true;
		goods = '0123456789';
		decimal_used = (obj.value.indexOf(decimal_seperator) != -1) ? true:false;
		minus_used = (obj.value.indexOf('-') != -1) ? true:false;

		if(!not_dec && !decimal_used) goods = goods+decimal_seperator;
		keychar = String.fromCharCode(keynum);
		keychar = keychar.toLowerCase();
		goods = goods.toLowerCase();
		var curr_pos = K_Validate.insertAtCursor(obj);
		if(!not_minus && curr_pos<1 && !minus_used) goods = goods+'-';

		if (goods.indexOf(keychar) != -1)
			return true;

		if ( keynum==null || keynum==0 || keynum==8 || keynum==9 || keynum==13 || keynum==27 )
			return true;

		return false;
	},

	insertAtCursor : function (obj) {
		if (document.selection) {
			sel=document.selection;
			if(sel)
			{
				r2=sel.createRange();
				rng=obj.createTextRange();
				rng.setEndPoint("EndToStart", r2);
				i=rng.text.length;
			}
			return i;
		}else if (obj.selectionStart || obj.selectionStart == '0') {
			return obj.selectionStart;
		}
	},

	formatThousand : function (e) {
		if(!e) e = window.event;
		obj = K_Validate.elo(e);
		formattedNbr="";
		if (obj.value.match(new RegExp(/-/))){
			var minus=true;
			obj.value = obj.value.replace("-","");
		}
		var temp_val = obj.value.split(decimal_seperator);
		len = temp_val[0].length;
		for (i=len-1, k=1 ; i>=0; i = i-1,k++ ) {
			if (((k % 3) == 0) && (k != len))
				formattedNbr = thousand_seperator + temp_val[0].charAt(i) + formattedNbr;
			else
				formattedNbr = temp_val[0].charAt(i) + formattedNbr;
		}
		formattedNbr = (minus)?'-'+formattedNbr:formattedNbr;
		if(temp_val[1]){
			obj.value = formattedNbr+decimal_seperator+temp_val[1];
		}else{
			obj.value = formattedNbr;
		}
	},

	normalFormat : function(e) {
		if(!e) e = window.event;
		obj = K_Validate.elo(e);
		tempText= new String();
		text = obj.value;
		if (text=="") {
			return false;
		}
		len = text.length;
		for(i=0; i < len; ++i) {
			ch = text.charAt(i);
			if ((ch >= '0' && ch <= '9') || ch==decimal_seperator || ch=='-') {
				tempText+=ch;
			}
		}
		obj.value=tempText;
		return true;
	},

	checkDate : function (e){
		if(!e) e = window.event;
		var obj = (window.event) ? e.srcElement: e.target;
		if(window.event) // IE
		{
			keynum = e.keyCode
		}else if(e.which) {
			keynum = e.which
		}
		goods = '0123456789';
		keychar = String.fromCharCode(keynum);
		keychar = keychar.toLowerCase();
		var curr_pos = K_Validate.insertAtCursor(obj);
		if (goods.indexOf(keychar) != -1){
			if(curr_pos==2 && obj.value.charAt(2)!=date_seperator && obj.value.length<3){
				obj.value = obj.value+date_seperator;
				curr_pos++;
			}
			if(curr_pos==5 && obj.value.charAt(4)!=date_seperator && obj.value.length<6){
				obj.value = obj.value+date_seperator;
				curr_pos++;
			}
			return true;
		}
		if(keychar==date_seperator && (curr_pos==5 || curr_pos==2))
			return true;

		if ( keynum==null || keynum==0 || keynum==8 || keynum==9 || keynum==13 || keynum==27 )
			return true;

		return false;
	},

	getDateFromFormat : function (val,format){
		val=val+"";
		format=format+"";
		var i_val=0;
		var i_format=0;
		var c="";
		var token="";
		var token2="";
		var x,y;
		var now=new Date();
		var year=now.getYear();
		var month=now.getMonth()+1;
		var date=1;
		var hh=now.getHours();
		var mm=now.getMinutes();
		var ss=now.getSeconds();
		var ampm="";
		while(i_format < format.length){
			c=format.charAt(i_format);
			token="";
			while((format.charAt(i_format)==c) &&(i_format < format.length)){
				token += format.charAt(i_format++);
			}
			if(token=="yyyy" || token=="yy" || token=="y"){
				if(token=="yyyy"){x=4;y=4;}
				if(token=="yy"){x=2;y=2;}
				if(token=="y"){x=2;y=4;}
				year=K_Validate._getInt(val,i_val,x,y);
				if(year==null){return 0;}
				i_val += year.length;
				if(year.length==2){
					if(year > 70){
						year=1900+(year-0);
					}else{
						year=2000+(year-0);
					}
				}
			}else if(token=="MMM"||token=="NNN"){
				month=0;
				for(var i=0;i<MONTH_NAMES.length;i++){
					var month_name=MONTH_NAMES[i];
					if(val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()){
						if(token=="MMM"||(token=="NNN"&&i>11)){
							month=i+1;
							if(month>12){month -= 12;}
							i_val += month_name.length;
							break;
						}
					}
				}

				if((month < 1)||(month>12)){return 0;}
			}else if(token=="EE"||token=="E"){
				for(var i=0;i<DAY_NAMES.length;i++){
					var day_name=DAY_NAMES[i];
					if(val.substring(i_val,i_val+day_name.length).toLowerCase()==day_name.toLowerCase()){
						i_val += day_name.length;
						break;
					}
				}
			}else if(token=="MM"||token=="M"){
				month=K_Validate._getInt(val,i_val,token.length,2);
				if(month==null||(month<1)||(month>12)){return 0;}
				i_val+=month.length;
			}else if(token=="dd"||token=="d"){
				date=K_Validate._getInt(val,i_val,token.length,2);
				if(date==null||(date<1)||(date>31)){return 0;}
				i_val+=date.length;
			}else if(token=="hh"||token=="h"){
				hh=K_Validate._getInt(val,i_val,token.length,2);
				if(hh==null||(hh<1)||(hh>12)){return 0;}
				i_val+=hh.length;
			}else if(token=="HH"||token=="H"){
				hh=K_Validate._getInt(val,i_val,token.length,2);
				if(hh==null||(hh<0)||(hh>23)){return 0;}
				i_val+=hh.length;
			}else if(token=="KK"||token=="K"){
				hh=K_Validate._getInt(val,i_val,token.length,2);
				if(hh==null||(hh<0)||(hh>11)){return 0;}
				i_val+=hh.length;
			}else if(token=="kk"||token=="k"){
				hh=K_Validate._getInt(val,i_val,token.length,2);
				if(hh==null||(hh<1)||(hh>24)){return 0;}
				i_val+=hh.length;hh--;
			}else if(token=="mm"||token=="m"){
				mm=K_Validate._getInt(val,i_val,token.length,2);
				if(mm==null||(mm<0)||(mm>59)){return 0;}
				i_val+=mm.length;
			}else if(token=="ss"||token=="s"){
				ss=K_Validate._getInt(val,i_val,token.length,2);
				if(ss==null||(ss<0)||(ss>59)){return 0;}
				i_val+=ss.length;
			}else if(token=="a"){
				if(val.substring(i_val,i_val+2).toLowerCase()=="am"){
				ampm="AM";
			}else if(val.substring(i_val,i_val+2).toLowerCase()=="pm"){
				ampm="PM";
			}else{return 0;}
				i_val+=2;
			}else{
				if(val.substring(i_val,i_val+token.length)!=token){
					return 0;
				}else{
					i_val+=token.length;
				}
			}
		}
		if(i_val != val.length){return 0;}
		if(month==2){
			if( ((year%4==0)&&(year%100 != 0) ) ||(year%400==0) ){
				if(date > 29){return 0;}
			}else{
				if(date > 28){return 0;}
			}
		}
		if((month==4)||(month==6)||(month==9)||(month==11)){
			if(date > 30){return 0;}
		}
		if(hh<12 && ampm=="PM"){
			hh=hh-0+12;
		}else if(hh>11 && ampm=="AM"){
			hh-=12;
		}
		var newdate=new Date(year,month-1,date,hh,mm,ss);
		return newdate.getTime();
	},

	isDate : function (e){
		if(!e) e = window.event;
		obj = K_Validate.elo(e);
		var val = obj.value;
		var date=K_Validate.getDateFromFormat(val,"dd-MM-y");
		if(date==0){
			obj.style.color="#ff0000";
		}else{
			obj.style.color="#000000";
		}
	},

	_isInteger : function (val){
		var digits="1234567890";
		for(var i=0;i < val.length;i++){if(digits.indexOf(val.charAt(i))==-1){return false;}}return true;
	},

	_getInt : function (str,i,minlength,maxlength){
		for(var x=maxlength;x>=minlength;x--){
			var token=str.substring(i,i+x);
			if(token.length < minlength){
				return null;
			}
			if(K_Validate._isInteger(token)){
				return token;
			}
		}
		return null;
	}
}