function onsub_validation()
{
	if(document.frmemail.name.value=="")
	{
		alert("Please enter your name");
		document.frmemail.name.focus();
		return false;
	}

	
	
		if(document.frmemail.email.value=="")
	{
		alert("Please enter your email");
		document.frmemail.email.focus();
		return false;
	}
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   	var address = document.frmemail.email.value;
   	if(reg.test(address) == false) {
      alert('Please enter a valid email address');
	  document.frmemail.email.value="";
	  document.frmemail.email.focus();
      return false;

	}

	
}
var phone = '0123456789-';
var lwr = 'abcdefghijklmnopqrstuvwxyz ';
var upr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ ';

function isValid(parm,val) {
if (parm == "") return true;
for (i=0; i<parm.length; i++) {
if (val.indexOf(parm.charAt(i),0) == -1) return false;
}
return true;
}

function isAlpha(parm){ return isValid(parm,lwr+upr); }
function isPhone(parm){ return isValid(parm,phone); }