function openwindow (filename, w, h)
  {
    var left=(window.screen.width/2)-(w/2);
    var Top=(window.screen.height/2)-(h/2) - 100;
    var desktop = window.open (filename, "_blank","toolbar=no,location=no,status=no,Left="+left+",Top="+Top+",menubar=no,scrollbars=no,resizable=no, width="+w+", height="+h+"");
  }
  
  
  
function LoadFromURL (V_url, V_id,V_type)
  {
    var xmlDoc = null;

    //alert(V_url);
    if (typeof window.ActiveXObject != 'undefined' )
      {
        xmlDoc = new ActiveXObject("Microsoft.XMLHTTP");
        xmlDoc.onreadystatechange = process ;
      }
       else
      {
        xmlDoc = new XMLHttpRequest();
        xmlDoc.onload = process ;
      }
    xmlDoc.open("GET", V_url, true);
    xmlDoc.send( null );

    function process()
      {
        if (xmlDoc.readyState==4)
          {

          if (V_type=='eval')
           {
           	
             eval(xmlDoc.responseText);	
            	
           }
           
          else
          	 document.getElementById(V_id).innerHTML=xmlDoc.responseText;
          }	 
      }
  }  
  
 function get_pass()
 	{
 		//query
 		//LoadFromURL()
 		//alert('hi');
 		var pass = prompt("Enter password to download file:", "");
	    if (pass)
	      {
	        LoadFromURL ('/check_pass.php?pass='+pass, '','eval');
	      }
 	}