function PopUp(url,w,h) 
{
	window.open(url,'','scrollbars=1,toolbar=0,location=0,directories=0,status=0,menubar=0,width=' + w + ',height=' + h);
}

function validateEmail(form_id,email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = document.forms[form_id].elements[email].value;
   if(reg.test(address) == false) {
      alert('Invalid Email Address');
      document.forms[form_id].elements[email].focus();
      return false;
   }
   else
   {
      return true;
   }
}
function validatePassword(form_id,pswdField){ 
   if (!checkAlphaNumeric(document.forms[form_id].elements[pswdField]))
   {
   	alert("Password must contain at least one alpha character and one numeric digit");
   	return false;
   }
   if (document.forms[form_id].elements[pswdField].value.length<6)
   {
   	alert("Password must be at least 6 characters long");
   	return false;
   }
   return true;
}


function checkAlphaNumeric(obj){ 
   //var reg = /^[a-zA-Z_0-9]$/;
   var reg = /^\w*(?=\w*\d)(?=\w*[a-zA-Z])\w*$/;
   //alert(reg.test(obj.value));
   if (! reg.test(obj.value))
   { 
   	//alert("Please enter alphanumeric values");
   	return false;
   }
   return true;
}