function d(id){

return document.getElementById(id);
}
function isEmail(str) {
    
    var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
    if (!str.match(re)) {
        return false;
    } else {
        return true;
    }
}

function validate_contact()
{

	if(d('cname').value=="")
		{
		alert("Please Fill Up UserName");
		d('cname').focus();
		return false;
		}
	if(d('coname_web').value=="")
		{
		alert("Please Fill Up company name or web address");
		d('coname_web').focus();
		return false;
		}
	if(d('email').value=="")
		{
		alert("Please Fill Up email");
		d('email').focus();
		return false;
		}
	else if(!isEmail(d('email').value))
		{
		alert("Please Enter Valid Email");
		d('email').focus();
		return false; 
		}
	
	if(d('phone').value=="")
		{
		alert("Please Fill Up Phone Number");
		d('phone').focus();
		return false;
		}
	if(d('attempt').value=="")
		{
		alert("Please Enter the text shown in the image");
		d('attempt').focus();
		return false;
		}
}