// JavaScript Document
//var prof_id = Array()
function add_to_cart(){
   var message = '';
   var total_prod_select = document.getElementById('total_chk').value;
   for (i=0;i<=(total_prod_select-1);i++)
   {
	   var prof_chk=document.getElementById(i).checked;
	   if (prof_chk == true){
		   var prof_id=document.getElementById(i).value;
	   	   message = message +"-"+ prof_id;
	   }
   }
   	var ranid = Math.random()*999999999999999;
	var oscid = Math.round(ranid);
	xmlHttp=GetXmlHttpObject()
			if (xmlHttp==null)
			 {
			 alert ("Browser does not support HTTP Request")
			 return
			 }
    var url="add_product.php";
	url = url + '?pro_arr='+message+'&osCsid='+oscid;
	xmlHttp.onreadystatechange = sh_crt
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function sh_crt() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 if (xmlHttp.responseText.length==0){
	 alert("Please choose at least one product to add to cart");
 }else{
     window.location.reload();
 }
 }
}

//Browser check
function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}
function add(inp_id){
	var inp_name = 'input'+inp_id;
	var input_curr = document.getElementById(inp_name).value;
	var to_num = parseInt(input_curr);
	var input_new = to_num + 1;
	document.getElementById(inp_name).value = input_new;
}
function remove(inp_id){
	var inp_name = 'input'+inp_id;
	var input_curr = document.getElementById(inp_name).value;
	var to_num = parseInt(input_curr);
	if (to_num > 1){ 
	var input_new = to_num - 1;
	document.getElementById(inp_name).value = input_new;
	}
}