function rollimage(imgField,newImage){
	if (document.images){
		document[imgField].src=eval(newImage + ".src")
		}
	}

function chkemail(which){
var myExp = /^[a-z][a-z_0-9\.]+@[a-z_=>0-9\.]+\.[a-z]{3}$/i
var myvalue=which.value;
var found = myExp.test(myvalue);
if (found != true) {
	alert("Invalid Email Address or Empty - Required Field!");
		which.focus();
		which.select();
		return false
	}
var field = which;
field.value=field.value.toLowerCase();
return true
}

function chkrequired(){
if (document.form1.firstname.value == "") {
	alert("First Name is a Required Field!")
	form1.firstname.focus()
	form1.firstname.select()
	return false
	}
if (document.form1.email.value == "") {
	alert("Email is a Required Field!")
	form1.email.focus()
	form1.email.select()
	return false
	}
if (document.form1.password_v.value  != document.form1.password .value) {
	alert("Password fields do not match")
	form1.password.focus()
	form1.password.select()
	return false
	}
return true
}