// JavaScript Document
function checkNum()
{
	var carCode = event.keyCode;
	
	if ((carCode < 48) || (carCode > 57))
	{
		//alert(carCode);
		alert('Please enter only numeric values.');
		event.cancelBubble = true;
		event.returnValue = false;
	}
} 




function checkEmail(x)
{
	a=new Array();
	s=x.value;
	
	for(i=0; i<s.length; i++)
		a[i]=s.charAt(i);

	dot = s.indexOf(".");
	at   = s.indexOf("@");

	if (dot == -1 || at == -1)
	{
		x.focus()
		alert ("Please Check Email Address");
		return 1;
	}

	str1=s.substring(dot+1,s.length);
	str2=s.substring(at+1, dot);
	str3=s.substring(0,at);

	if((str1.length==0)||(str2.length==0)||(str3.length==0))
	{
		x.focus()     
		alert ("Please Check Email Address");
		return 1;
	}

	return 0;
}