function isBlank(Var1,Label1)
{
		if(Var1.value == "")
		{
			alert(" Insert Value in "+Label1);
			Var1.focus();
			return false;
		}
		return true;
}

function isDelete(var3){
	answer = confirm("Are you Sure to delete this record?")
	if (answer !=0) { 
		location = var3;
	} 

}


function newpopup(var2,w,h){
	window.open(var2,'_popup','resizable=yes,scrollbars=yes,width='+w+',height='+h);
}


function isvalidEmail(emailAdd)
{

var emailStr = emailAdd.value;

	if (emailStr.toString() == "") 
	{
		alert ("Please Enter Email address");
			emailAdd.focus()
			return false;

	}
	else if (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)");
	emailAdd.focus()
	return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
	if (user.charCodeAt(i)>127) {
	alert("Email's username contains invalid characters.");
	emailAdd.focus()
	return false;
	   }
	}
	for (i=0; i<domain.length; i++) {
	if (domain.charCodeAt(i)>127) {
	alert("Email's domain name contains invalid characters.");
	emailAdd.focus()
	return false;
	   }
	}
	if (user.match(userPat)==null) {
	alert("Email's username doesn't seem to be valid.");
	emailAdd.focus()
	return false;
	}
	
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
	for (var i=1;i<=4;i++) {
	if (IPArray[i]>255) {
	alert("Email's Destination IP address is invalid!");
	emailAdd.focus()
	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("Email's domain name does not seem to be valid.");
	emailAdd.focus()
	return false;
	   }
	}
	

	if (len<2) {
	alert("Email address is missing a hostname!");
	emailAdd.focus()
	return false;
	}
	//return true;

	}

	return true;
      }
	
function isDigit(Digit1)
{
	var i;
	var s= Digit1.value;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if ( ( (c < "0") || (c > "9") ) ) 
        {
			alert(" please enter numbers only ");
			Digit1.focus();
			return false;
        }	
    }
		return true;
}