function getXmlHttpRequest()
{
   if (window.XMLHttpRequest)
   {
	 return new XMLHttpRequest();
   }
   else if (window.ActiveXObject)
   {
	 return new ActiveXObject("Microsoft.XMLHTTP");
   }
}

function checkOrder()
{
	xmlhttp = getXmlHttpRequest();
	xmlhttp.onreadystatechange=state_Change;
	var order_id = document.getElementById("order_no").value;
	var email = document.getElementById("email").value;
  	xmlhttp.open("GET","bulk_upload.php?a=check_order&order_id="+order_id+"&email="+email,true);
  	xmlhttp.send(null);
}

function state_Change()
{
	if(this.readyState ==4){
		var ret = parseInt(this.responseText);
		if(ret == 0){
			document.getElementById("msgorder").style.display = "";
			document.getElementById("msgorder2").style.display = "none";
			document.getElementById("order_no").disabled = false;
		}else{
			document.getElementById("msgorder2").style.display = "";
			document.getElementById("order_no").disabled = true;
			document.getElementById("msgorder").style.display = "none";
			
			document.getElementById("upload_block").style.display = "";
			var order_id = document.getElementById("order_no").value;
			$("#cart_uploaded_image").uploadify({
				'uploader'       : 'Scripts/uploadify.swf',
				'script'         : 'Scripts/uploadify.php',
				'scriptData'     : {'orderid': order_id},
				'cancelImg'      : 'Scripts/cancel.png',
				'folder'         : 'uploads',
				'queueID'        : 'fileQueue',
				'auto'           : true,
				'fileExt'		 : '*.jpg;*.png;*.bmp;*.gif;*.jpeg;*.pdf;',
				'multi'          : true,
				'onAllComplete'  : function (event,data) 
								   {
										if(data['errors']==0) {
											alert("Upload Successful.");
										}
										else 
										{ 
											alert("An error occured. Please Try Again."); 
										}                     
									}
		
				
			});
		}
		document.getElementById("test").style.display = "none";
		document.getElementById("spcheck").style.display = "";
	}	
}