function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
		return rslt;
	}
}

	function changeImages() {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
var addtip1 = 'add1';
var addtip2 = 'add2';
	function preloadImages() {
document.getElementById('add1').innerHTML='前往結帳區=>';
document.getElementById(addtip2).innerHTML='塊加錢哈哈哈哈!';

}


function location1(){
	  if(document.form1.Location1.checked){
	  document.form1.payGroup1.checked=true;
	  document.form1.payGroup1.disabled=false;
	  document.form1.payGroup2.disabled=false;
	  document.form1.payGroup3.disabled=false;
	  document.form1.payGroup4.disabled=true;
	  document.form1.payGroup5.disabled=true;
	  document.form1.payGroup6.disabled=true;
	  document.form1.city.disabled=false;
	  document.form1.town.disabled=false;
	  }
	  }function location2(){
	  if(document.form1.Location2.checked){
	  document.form1.payGroup4.checked=true;
	  document.form1.payGroup1.disabled=true;
	  document.form1.payGroup2.disabled=true;
	  document.form1.payGroup3.disabled=true;
	  document.form1.payGroup4.disabled=false;
	  document.form1.payGroup5.disabled=true;
	  document.form1.payGroup6.disabled=true;
	  document.form1.city.disabled=true;
	  document.form1.town.disabled=true;
	  }
	  }function location3(){
	  if(document.form1.Location3.checked){
	  document.form1.payGroup5.checked=true;
	  document.form1.payGroup1.disabled=true;
	  document.form1.payGroup2.disabled=true;
	  document.form1.payGroup3.disabled=true;
	  document.form1.payGroup4.disabled=true;
	  document.form1.payGroup5.disabled=false;
	  document.form1.payGroup6.disabled=false;
	  document.form1.city.disabled=true;
	  document.form1.town.disabled=true;
	  }
	  }
function formatFloat(num, pos)  {  
   var size = Math.pow(10, pos);  
   return Math.round(num * size) / size;  
 }  

function caculate(){
var amount = 0;
var pamount =0;
var price_nt =450;
var price_nt_dis =400;
var price_hkd=115;
var price_usd=14.99;
var htcship =100;
var sfship = 30;
var chship1 = 50;
var chship2 = 7.88;
var chship3 = 17.88;
var scount = 0;
var discount =0;
	

if(((document.form1.subtotal.value)*1)<800)	{
	  if (document.form1.payGroup1.checked){
		  pamount = ((document.form1.subtotal.value)*1) + htcship;
		  amount = pamount + "台幣(含運費NT100元)";
		  }else if (document.form1.payGroup2.checked){
		  pamount = ((document.form1.subtotal.value)*1) + htcship;
		  amount = pamount + "台幣(含運費NT100元)";
		  }else if (document.form1.payGroup3.checked){
		  pamount = ((document.form1.subtotal.value)*1) + chship1;
		  amount = pamount + "台幣(含郵資NT50元)";
		  }else if (document.form1.payGroup4.checked){
		  pamount = ((document.form1.subtotal.value)*1)/4.2;
		  pamount += sfship;
		  pamount = (formatFloat(pamount, 0)); 
		  amount = pamount + "港幣(含運費HKD30元)";
		  }else if (document.form1.payGroup5.checked){
		  pamount = ((document.form1.subtotal.value)*1)/32.6;
		  pamount += chship2;
		  pamount = (formatFloat(pamount, 2)); 
		  amount = pamount + "美元(含運費USD7.88元)";
		  }else {
		  pamount = ((document.form1.subtotal.value)*1)/32.6;
		  pamount += chship3;
		  pamount = (formatFloat(pamount, 2)); 
		  amount = pamount + "美元(含運費USD17.88元)";
		  }
	}else{
		if (document.form1.payGroup4.checked){
		  pamount = ((document.form1.subtotal.value)*1)/4.2;
		  pamount += sfship;
		  pamount = (formatFloat(pamount, 0));
		  amount = pamount + "港幣(含運費HKD30元)";
		  }else if (document.form1.payGroup5.checked) {
		  pamount = ((document.form1.subtotal.value)*1)/32.6;
		  pamount += chship2;
		  pamount = (formatFloat(pamount, 2)); 
		  amount = pamount + "美元(含運費USD7.88元)";
		  }else if (document.form1.payGroup6.checked) {
		  pamount = ((document.form1.subtotal.value)*1)/32.6;
		  pamount += chship3;
		  pamount = (formatFloat(pamount, 2)); 
		  amount = pamount + "美元(含運費USD17.88元)";
		  }else{
			pamount += ((document.form1.subtotal.value)*1);
			  amount = pamount + "台幣(免運費)";
			  }
		
		}
   
  document.form1.pay.value = amount; 
  document.form1.paynum.value = pamount;
if(document.form1.city.disabled){
	  document.form1.address.value=document.form1.addr.value;
}else{
  document.form1.address.value=document.form1.city.options[document.form1.city.selectedIndex].text +document.form1.town.options[document.form1.town.selectedIndex].text + document.form1.addr.value;
	  }

}
function check(form){
ShowExitPopup = false;
if (form.name.value.length == 0) { alert("請輸入收貨人姓名"); return false }
if (form.email.value.length == 0) { alert("一定要輸入email"); return false }
if (form.email.value.indexOf("@") == -1) { alert("請輸入正確的電子郵件"); return false }
if (form.email.value.indexOf(".") == -1) { alert("請輸入正確的電子郵件"); return false }
if (form.phone.value.length == 0) { alert("一定要輸入連絡電話"); return false }
if (form.phone.value.length < 8) { alert("請輸入正確的連絡電話"); return false }
if (form.addr.value.length == 0) { alert("一定要輸入收貨地址"); return false }
if (form.addr.value.length < 4) { alert("請輸入正確的收貨地址"); return false }
caculate();
if(form.paynum.value <= 100){alert("請選擇產品和數量"); return false}
if (form.confirmok.checked == 0) { alert("請勾選送出確認鈕"); return false }
return true
}