function checkEmail (strng)
{
if (strng == "")
{
alert("Please enter an email address\n");
return false;
}

var emailFilter=/^.+@.+\..{2,3}$/;
if (!(emailFilter.test(strng))) {
alert("Please enter a valid email address\n");
return false;
}
else {
//test email for illegal characters
var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
if (strng.match(illegalChars)) {
alert("The email address contains illegal characters\n");
return false;
}
}
return true;
}

function checkUsername (strng) {
if (strng == "")
{
alert("Please enter the Name\n");
return false;
}
var illegalChars = /[^a-zA-Z0-9_" "]/; // allow letters, numbers, and underscores space
if (illegalChars.test(strng))
{
alert("Name field contains illegal characters\n");
return false;
}
return true;
}



function ValidateForm(){


if(!checkUsername(document.getElementById('uname').value))
{
document.getElementById('uname').focus();
return false;
}

if(!checkEmail(document.getElementById('email').value))
{
document.getElementById('email').focus();
return false;
}

var url="show.php?uname="+document.getElementById('uname').value+"&email="+document.getElementById('email').value;
window.open(url,"Window1",
"menubar=no,width=430,height=360,toolbar=no");
return true;
	
}