function popUpWin(url,width,height) {
	NewWindow = window.open(url,'ShopGSD','width='+width+',height='+height);
	NewWindow.focus();
}

function checkform(which) {
	var pass=true;
	
	for (i=0;i<which.length;i++) {
		var tempobj=which.elements[i];
	
		if (tempobj.name.substring(0,0)=="") {
			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(0,30).toUpperCase();
		switch (shortFieldName) {
			case "PRODUCT_VARIABLE1": 	shortFieldName = "DATE"; break;
			case "PRODUCT_PRICE": 		shortFieldName = "VOUCHER"; break;
			case "PRODUCT_VARIABLE2": 	shortFieldName = "LOCATION"; break;
		}
		alert("Please complete the "+shortFieldName+" field.");
		tempobj.focus();
		return false;
	}
	else
	return true;
}

function delivery_details(answer) {

	billAdd		= document.getElementById('address');
	billCity	= document.getElementById('city');
	billPC		= document.getElementById('pc');

	desAdd		= document.getElementById('d_address');
	desCity		= document.getElementById('d_city');
	desPC		= document.getElementById('d_pc');
	
	if (answer == "y") {
		desAdd.value = billAdd.value
		desCity.value = billCity.value
		desPC.value = billPC.value
	}
	
	if (answer == "n") {
		desAdd.value = ""
		desCity.value = ""
		desPC.value = ""
	}
}