function validMobileNumber(obj)
{
    if(obj.value.length != 10)
    {
        obj.style.background  = 'LightYellow';
        return false;
    }
    var re = /^[0-9-'.'-'+'' ']*$/;
    
    if(re.test(obj.value))
    {
        return true;
    }
    else
    {
        obj.style.background  = 'LightYellow';
        return false;
    }
}
function validNumber(obj)
{
    var re = /^[0-9]*$/;
    
    if(re.test(obj.value))
    {
        return true;
    }
    else
    {
        obj.style.background  = 'LightYellow';
        return false;
    }
}

function validFloatNumber(obj)
{
    var re = /^[0-9-'.'-',']*$/;
    
    if(re.test(obj.value))
    {
        return true;
    }
    else
    {
        obj.style.background  = 'LightYellow';
        return false;
    }
}

function validText(obj)
{
    var re = /^[a-z-A-Z-' '-'.']*$/;
    
    if(re.test(obj.value))
    {
        return true;
    }
    else
    {
        obj.style.background  = 'LightYellow';
        return false;
    }
}

function validAlphaNumeric(obj)
{
    var re = /^[A-Z-0-9]*$/;

    if(re.test(obj.value))
    {
        return true;
    }
    else
    {
        obj.style.background  = 'LightYellow';
        return false;
    }
}
    
function validaterequireField(obj)
{
    if(obj.value=='')
    {
        obj.style.background  = 'LightYellow';
        return false;
    }
    else
    {
        return true;
    }
}

function validateComapreField(obj,obj1)
{
    if(obj.value==obj1.value)
    {
        return true;
    }
    else
    {
        obj.style.background  = 'LightYellow';
        obj1.style.background  = 'LightYellow';
        return false;
    }
}

function validateEmail(obj) {
var addr=obj.value;
var invalidChars = '\/\'\\ ";:?!()[]\{\}^|';
for (i=0; i<invalidChars.length; i++) {
   if (addr.indexOf(invalidChars.charAt(i),0) > -1) {
      obj.style.background  = 'LightYellow';
      return false;
   }
}
for (i=0; i<addr.length; i++) {
   if (addr.charCodeAt(i)>127) {
      obj.style.background  = 'LightYellow';
      return false;
   }
}
var atPos = addr.indexOf('@',0);
if (atPos == -1) {
   obj.style.background  = 'LightYellow';
   return false;
}
if (atPos == 0) {
   obj.style.background  = 'LightYellow';
   return false;
}
if (addr.indexOf('@', atPos + 1) > - 1) {
   obj.style.background  = 'LightYellow';
   return false;
}
if (addr.indexOf('.', atPos) == -1) {
   obj.style.background  = 'LightYellow';
   return false;
}
if (addr.indexOf('@.',0) != -1) {
   obj.style.background  = 'LightYellow';
   return false;
}
if (addr.indexOf('.@',0) != -1){
   obj.style.background  = 'LightYellow';
   return false;
}
if (addr.indexOf('..',0) != -1) {
   obj.style.background  = 'LightYellow';
   return false;
}
var suffix = addr.substring(addr.lastIndexOf('.')+1);
if (suffix.length != 2 && suffix != 'com' && suffix != 'net' && suffix != 'org' && suffix != 'edu' && suffix != 'int' && suffix != 'mil' && suffix != 'gov' & suffix != 'arpa' && suffix != 'biz' && suffix != 'aero' && suffix != 'name' && suffix != 'coop' && suffix != 'info' && suffix != 'pro' && suffix != 'museum') {
   obj.style.background  = 'LightYellow';
   return false;
}
obj.style.background  = 'White';
return true;
}

/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
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 strMonth=dtStr.substring(0,pos1)
	var strDay=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 : mm/dd/yyyy")
		return 1
	}
	if (strMonth.length<1 || month<1 || month>12){
		//alert("Please enter a valid month")
		return 2
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		//alert("Please enter a valid day")
		return 3
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
//		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return 4
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
//		alert("Please enter a valid date")
		return 5
	}
return 0
}

function isDateMMDDYYYY(dtStr)
{
    var dttime=dtStr;
    var inds=dttime.indexOf(" ")
    var dtStr=dttime.substring(0,inds)  
      
    var tim=dttime.substring(inds+1)   
    var inds2=dttime.indexOf(" ",inds+1)
    var cln=dttime.indexOf(":")
    var am=dttime.indexOf("AM")
    var pm=dttime.indexOf("PM")
    
	var daysInMonth = DaysArray(12)	
	var pos1=dtStr.indexOf(dtCh)
	alert(pos1);
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	alert(pos2);
	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 1
	}
	if (strMonth.length<1 || month<1 || month>12){
		//alert("Please enter a valid month")
		return 2
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		//alert("Please enter a valid day")
		return 3
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
//		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return 4
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
//		alert("Please enter a valid date")
		return 5
	}
return 0
}