var flag,state;
function checkf(entry)
{	
	
	flag = true;	
	state = true;
	
	for(i=0; i<=entry.elements.length; i++)
	{	
	  
		if (i==0)
		{
			check(entry.elements[i]);
			if (!(flag)) break;
		}
		if (i==1)
		{
			
			check(entry.elements[i]);
			if (!(flag)) break;
		}
		if (i==2)
		{
			checkEmail(entry.elements[i]);
			if (!(flag)) break;
		}		
		
	   if (!(flag)) break;
	}
	if (flag)
	{
		return true;
	}
	else
	{
		return false;
	}
}

function check(ent)
{
	var count = 0;
	if (ent.value=="")
	{
		alert("Please Fill up the " + ent.name);
		ent.focus();
		flag=false;
	}		
	else
	{
		flag = true;
		state = true;
	}
}

function checkEmail(ent)
{
var string1=ent.value
var ePat = /^([\w-\.]+)@([\w-]+)\.([\w-\.]+)$/g;
var matchEmail=string1.match(ePat);
if (matchEmail == null)
{
alert("Invalid E-mail Address! Please re-enter.")
ent.focus()
 flag=false;
}
else
flag = true;
state = true;
}