// JavaScript Document
function validate() {
     if (document.form1.yourname.value.length < 1) {
         alert("Please enter your full name.");
         return false;
     }
	 if (document.form1.address.value.length < 3) {
        alert("Please enter your address.");
        return false;
    }
	 if (document.form1.city.value.length < 1) {
         alert("Please enter your city.");
         return false;
     }
	 	 if (document.form1.zip.value.length < 1) {
         alert("Please enter your zip code.");
         return false;
     }
	     
}