function Trim(s) 
{
	// Remove leading spaces and carriage returns
  	while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  	{
    	s = s.substring(1,s.length);
  	}
  	// Remove trailing spaces and carriage returns
  	while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  	{
    	s = s.substring(0,s.length-1);
  	}
	return s;
}

function redirect(page)
{
	window.location = page;
}

//********************* START of function for email-id validation  ****************************//
function isValidEmail(emailStr) 
{
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	// Start by checking that only basic ASCII characters are in the strings (0-127).
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert("Ths username contains invalid characters in e-mail address.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert("Ths domain name contains invalid characters in e-mail address.");
			return false;
		}
	}
	if (user.match(userPat)==null) {
		alert("The username doesn't seem to be valid in e-mail address.");
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid!");
				return false;
	   		}
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert("The domain name does not seem to be valid in e-mail address.");
			return false;
	   }	
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}

	if (len<2) {
		alert("This e-mail address is missing a hostname!");
		return false;
	}	
	return true;
}
//********************* END of function for email-id validation  ****************************//

function open_popup(url)
{
	//alert(url);
	var newWindow;
	var t;
	t = "no";
	if (String(t)=='no') {
		newWindow = window.open(url,"message","toolbar=" + t + ",scrollbars=yes,left=100,resizable=yes,width=900,height=700");
	}
	if (String(t)=='yes') {
		newWindow = window.open(url,"message","scrollbars=yes,resizable=yes,menubar=yes,status=yes,toolbar=yes,directories=yes,personalbar=yes,location=yes,hotkeys=yes,width=900,height=700");
	}
	if (window.focus) { newWindow.focus(); }
	//newwindow = window.open (url,'Hi','width=800,height=600,middle');
	//newwindow.focus();
	//var y = window.prompt("please enter user name") 
	//alert (y);
}
function validInteger(val1)
{
	var flag = false;
	var value = val1;
	var l = value.length;
   	chk1="1234567890";
   	for(i=0;i<l;i++)
   	{
		ch1=value.charAt(i);
		rtn1=chk1.indexOf(ch1);
		if(rtn1==-1)
		{ 
			// alert("Please Enter Valid Discount");
		 	return false;
		}
	}		
	return true;  
}

function validFloat(val1)
{
	var flag = false;
 	var value = val1;
   	var l = value.length;
   	chk1="1234567890.";
   	for(i=0;i<l;i++)
   	{
		ch1=value.charAt(i);
		if(ch1 == '.')
		{
			flag = flag + 1;
		}
		rtn1=chk1.indexOf(ch1);
		if(rtn1==-1)
		{ 
			// alert("Please Enter Valid Discount");
		 	return false;
		}
	}
	if (flag>1)
	{
    	// alert("Please Enter Valid Discount");
		return false;
	}
	return true;
}

function GetXmlHttpObject(handler)
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
	objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
	objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}
 
function explodeArray(item,delimiter) 
{
	tempArray=new Array(1);
   	var Count=0;
   	var tempString=new String(item);
   	while (tempString.indexOf(delimiter)>0) 
   	{ 
    	tempArray[Count]=tempString.substr(0,tempString.indexOf(delimiter));
	 	tempString=tempString.substr(tempString.indexOf(delimiter)+1,tempString.length-tempString.indexOf(delimiter)+1); 
	 	Count=Count+1
   	}
   	var len;
   	len = tempArray.length;
   	tempArray[Count]=tempString;
   	return tempArray[len];
}
function checkloginvalidation()
{
	if(Trim(document.frmtoplogin.txttopusername.value) == '')
	{
		alert("Please Enter Username !");
		document.frmtoplogin.txttopusername.value = '';
		document.frmtoplogin.txttopusername.focus();
		return false;
	}
	if(Trim(document.frmtoplogin.txttoppassword.value) == '')
	{
		alert("Please Enter Password !");
		document.frmtoplogin.txttoppassword.value = '';
		document.frmtoplogin.txttoppassword.focus();
		return false;
	}
	document.frmtoplogin.action = 'submit-login.php';
	document.frmtoplogin.submit();
	return true;
}