function checkrequired(which) {
	var pass=true;
	if (document.images) {
		for (i=0;i<which.length;i++) {
			var tempobj=which.elements[i];
			if (tempobj.name.substring(0,8)=="required") {
				if (((tempobj.type=="text"||tempobj.type=="textarea")&&
				tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&
				tempobj.selectedIndex==0)) {
					pass=false;
					break;
				}
			}
		}
	}

	if (!pass) {
		shortFieldName=tempobj.name.substring(8,30).toUpperCase();
		alert("Please make sure the "+shortFieldName+" field was properly completed.");
		return false;
	}
	else {

		if (!checkemail()) {
			alert("Please enter a valid email address.")
			return false;
		}
		else if (document.form.math.value != 11) {
	        alert ( "Please check your math on the last question." );
			return false;
		}
		else {
			return true;
		}
	}

}

function checkemail(){
	var testresults=true
	var str=document.form.requiredemail.value
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if (filter.test(str))
			testresults=true
		else{
			testresults=false
		
		}
		return (testresults)
}


function validate(field) {
	var valid = "-0123456789"
	var ok = "yes";
	var temp;
	for (var i=0; i<field.value.length; i++) {
		temp = "" + field.value.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") ok = "no";
	}

	if (ok == "no") {
		alert("Invalid entry!  Please enter only digits for your phone number!");
		field.focus();
		field.select();
   }


}