function checkNum(keyCode)
{

   if(keyCode==8 || keyCode==13)
		return true;

	if(keyCode<48 || keyCode>57)
	{
		alert("Enter Numbers Only");
		return false;
	}
	return true;

}
	
	function ltrim ( s )
	{
		return s.replace( /^\s*/, "" );
	}

	function rtrim ( s )
	{	
		return s.replace( /\s*$/, "" );
	}

	function trim ( s )
	{
		return rtrim(ltrim(s));
	}


	function isValidEmail(email){
		var invchar=" ~`!#%^&*()+={}[];:'\|,<>?/\ ";
	    if (email.length == 0){
		   alert("You must enter email address" )
		   return false;
	   }else{
	       if((email.indexOf("@")== -1)||(email.indexOf("@")!=email.lastIndexOf("@"))||(email.indexOf("@")==0)||(email.indexOf(".")== -1)||email.indexOf(".")==email.length-1){
				alert("Enter valid email address");
				//||(email.indexOf(".") <= email.indexOf("@")+1)
				return false;
		   } else {
				var i=0;
				var ch;
				while ((i< email.length)){
					ch=email.charAt(i);
					i++;
					if(invchar.indexOf(ch)!= -1)
						break;
			   }

			   if(i<email.length){
					alert("This is not a correct Email address")
					return false;
			   }
		 }
	 	  return true;
	  }

    }

//	function isUserName(validateData)
//	{
//		if(validateData==null || validateData.length==0)
//		{
//			return false;
//		}
//		var charAta;
//		for(var i=0;i<validateData.length;i++)
//		{
//			charAta=validateData.charAt(i);
//			if(!( (charAta>=0 && charAta<=9) || (charAta>='A' && charAta<='Z') || 
//			(charAta>='a' && charAta<='z') || (charAta=='_')|| (charAta=='-')|| (charAta=='.')|| (charAta==':') ))
//			{
//				alert("Enter valid username");
//				return false;
//			}
//		}
//	}

 

////////////////////////////////////////////////////Functions for replace Quotes//////////////////////////////////////////
	function replacequotes(){
	var inputs = document.getElementsByTagName("input");
	for(i=0;i<inputs.length;i++)
		if(inputs[i].type=="text"){
			var str = replaceAll( inputs[i].value, "\"", "&quot;" );
			str = replaceAll( str, "<", "&lt;" );
			str = replaceAll( str, ">", "&gt;" );
			str = replaceAll( str, "'", "####" );
			str = replaceAll( str, "####", "\\\'" );
			inputs[i].value=str;
		}
	var inputs = document.getElementsByTagName("textarea");
	for(i=0;i<inputs.length;i++){		
			var str = replaceAll( inputs[i].value, "'", "####" );
			str = replaceAll( str, "####", "\\\'" );
			str = replaceAll( str, "<", "&lt;" );
			str = replaceAll( str, ">", "&gt;" );
			inputs[i].value=str;
		}
	}
	function replaceAll( str, from, to ) {
		var idx = str.indexOf( from );
		while ( idx > -1 ) {
			str = str.replace( from, to ); 
			idx = str.indexOf( from );
		}
		return str;
}

function NumbersOnly(MyField, e, dec)
{
    var key;
    var keychar;

    if (window.event)
       key = window.event.keyCode;
    else if (e)
       key = e.which;
    else
       return true;
    keychar = String.fromCharCode(key);

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

    else if ((("0123456789").indexOf(keychar) > -1))
       return true;

    else if (dec && (keychar == "."))
       {
       MyField.form.elements[dec].focus();
       return false;
       }
    else
       return false;
}

function AlphaOnly(MyField, e, dec)
{
        var key;
        var keychar;

        if (window.event)
           key = window.event.keyCode;
        else if (e)
           key = e.which;
        else
           return true;
        keychar = String.fromCharCode(key);

        if ((key==null) || (key==0) || (key==8) ||
            (key==9) || (key==13) || (key==27) )
           return true;
           
        else if ((("qwertyuioplkjhgfdsazxcvbnmQWERTYUIOPLKJHGFDSAZXCVBNM ").indexOf(keychar) > -1))
           return true;

        else if (dec && (keychar == "."))
           {
           MyField.form.elements[dec].focus();
           return false;
           }
        else
           return false;
}

function AlphaNumbersOnly(MyField, e, dec)
{
        var key;
        var keychar;

        if (window.event)
           key = window.event.keyCode;
        else if (e)
           key = e.which;
        else
           return true;
        keychar = String.fromCharCode(key);

        if ((key==null) || (key==0) || (key==8) ||
            (key==9) || (key==13) || (key==27) )
           return true;
           
        else if ((("0123456789qwertyuioplkjhgfdsazxcvbnmQWERTYUIOPLKJHGFDSAZXCVBNM_-:. ").indexOf(keychar) > -1))
           return true;

        else if (dec && (keychar == "."))
           {
           MyField.form.elements[dec].focus();
           return false;
           }
        else
           return false;
}
/// this is for passwords
function pwdOnly(MyField, e, dec)
{
        var key;
        var keychar;

        if (window.event)
           key = window.event.keyCode;
        else if (e)
           key = e.which;
        else
           return true;
       
        keychar = String.fromCharCode(key);

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

        else if ((("\'\"").indexOf(keychar) > -1))
           return false;

        else if (dec && (keychar == "."))
           {
           MyField.form.elements[dec].focus();
           return false;
           }
        else
           return true;
}


function NameOnly(MyField, e, dec)
{
    var key;
    var keychar;

    if (window.event)
       key = window.event.keyCode;
    else if (e)
       key = e.which;
    else
       return true;
    keychar = String.fromCharCode(key);

    if ((key==null) || (key==0) || (key==8) ||
        (key==9) || (key==13) || (key==27) )
       return true;
       
    else if ((("qwertyuioplkjhgfdsazxcvbnmQWERTYUIOPLKJHGFDSAZXCVBNM. ").indexOf(keychar) > -1))
       return true;

    else if (dec && (keychar == "."))
       {
       MyField.form.elements[dec].focus();
       return false;
       }
    else
       return false;
}

// Valid User name

function UIDOnly(MyField, e, dec)
{
    var key;
    var keychar;

    if (window.event)
       key = window.event.keyCode;
    else if (e)
       key = e.which;
    else
       return true;
    keychar = String.fromCharCode(key);

    if ((key==null) || (key==0) || (key==8) ||
        (key==9) || (key==13) || (key==27) )
       return true;
    // don't give "." in user ids
       
    else if ((("0123456789qwertyuioplkjhgfdsazxcvbnmQWERTYUIOPLKJHGFDSAZXCVBNM_-:. ").indexOf(keychar) > -1))
       return true;

    else if (dec && (keychar == "."))
       {
       MyField.form.elements[dec].focus();
       return false;
       }
    else
       return false;
}

// This function is for to set phone and fax numbers
function PhoneOnly(MyField, e, dec)
{
    var key;
    var keychar;

    if (window.event)
       key = window.event.keyCode;
    else if (e)
       key = e.which;
    else
       return true;
    keychar = String.fromCharCode(key);

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

    else if ((("0123456789").indexOf(keychar) > -1))
       return true;

    else if (dec && (keychar == "-"))
       {
       MyField.form.elements[dec].focus();
       return false;
 
 
 
       }
    else
       return false;
}






var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : dd/mm/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}
function DecimalOnly(MyField, e, dec)
{
    var key;
    var keychar;

    if (window.event)
       key = window.event.keyCode;
    else if (e)
       key = e.which;
    else
       return true;
    keychar = String.fromCharCode(key);

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

    else if ((("0123456789.").indexOf(keychar) > -1))
       return true;

//    else if (dec && (keychar == "."))
//       {
//       MyField.form.elements[dec].focus();
//       return false;
//       }
    else
       return false;
}

    function DateParse(Date1)
    {
    var DateArr1=Date1.split("/");
    var NewDate1=DateArr1[1]+"/"+DateArr1[0]+"/"+DateArr1[2];
    return Date.parse(NewDate1);
    }  
 
 
 
 
 
 
 
 
 
// 
// var ALERT_TITLE = "OOPS!";
//var ALERT_BUTTON_TEXT = "Ok";

//if(document.getElementById) {
//	window.alert = function(txt) {
//		createCustomAlert(txt);
//	}
//}

//function createCustomAlert(txt) {
//	d = document;

//	if(d.getElementById("modalContainer")) return;

//	mObj = d.getElementsByTagName("body")[0].appendChild(d.createElement("div"));
//	mObj.id = "modalContainer";
//	mObj.style.height = d.documentElement.scrollHeight + "px";
//	
//	alertObj = mObj.appendChild(d.createElement("div"));
//	alertObj.id = "alertBox";
//	if(d.all && !window.opera) alertObj.style.top = document.documentElement.scrollTop + "px";
//	alertObj.style.left = (d.documentElement.scrollWidth - alertObj.offsetWidth)/2 + "px";
//	alertObj.style.visiblity="visible";

//	h1 = alertObj.appendChild(d.createElement("h1"));
//	h1.appendChild(d.createTextNode(ALERT_TITLE));

//	msg = alertObj.appendChild(d.createElement("p"));
//	//msg.appendChild(d.createTextNode(txt));
//	msg.innerHTML = txt;

//	btn = alertObj.appendChild(d.createElement("a"));
//	btn.id = "closeBtn";
//	btn.appendChild(d.createTextNode(ALERT_BUTTON_TEXT));
//	btn.href = "#";
//	btn.focus();
//	btn.onclick = function() { removeCustomAlert();return false; }

//	alertObj.style.display = "block";
//	
//}

//function removeCustomAlert() {
//	document.getElementsByTagName("body")[0].removeChild(document.getElementById("modalContainer"));
//}