// JavaScript Document

var ck_postcode = /^([Gg][Ii][Rr] 0[Aa]{2})|((([A-Za-z][0-9]{1,2})|(([A-Za-z][A-Ha-hJ-Yj-y][0-9]{1,2})|(([A-Za-z][0-9][A-Za-z])|([A-Za-z][A-Ha-hJ-Yj-y][0-9]?[A-Za-z])))) {0,1}[0-9][A-Za-z]{2})$/;

function validate(frm_branch){
	var postcode = frm_branch.postcode.value;
	if (!ck_postcode.test(postcode)) {
		//alert("Enter a v4lid UK Postcode.");
		document.getElementById("invalid_postcode").innerHTML = "<span style=\"font-size: 12px;font-weight: normal;\">Enter a valid UK Postcode.</span>";
		return false;
	}	
	return true;
}