function getCheck() {
	document.forms[1].check_number.value = prompt ("Please Enter the Check Number:","");

	if  (document.forms[1].check_number.value == "") {
	         alert("\nYou have left the field blank.\n\nTry again!");
	         getCheck();
	         return;
	}

	//alert ("Check Number entered: " + document.forms[1].check_number.value);
}