function selectLevel(url, type_id, table_style, table_title, level_name, area) {	
	 try {
        ajax = new ActiveXObject("Microsoft.XMLHTTP");
     } 
     catch(e) {
        try {
           ajax = new ActiveXObject("Msxml2.XMLHTTP");
        }
     catch(ex) {
           try {
              ajax = new XMLHttpRequest();
           }
        	catch(exc) {
              alert("This browser doesn't support Ajax requests");
              ajax = null;
           }
        }
     }   

	if(ajax) {            	 
	 
	 var show_levels = document.getElementById("levels");	 
	 show_levels.style.display = "none";
     
	 ajax.open("GET", url+"/selectLevel.php?listingtype="+type_id+"&table_style="+table_style+"&table_title="+table_title+"&level_name="+level_name+"&area="+area, true);
	 ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	 
	 ajax.onreadystatechange = function() { 	 	
		if(ajax.readyState == 4 ) {                  	          	
		  	 if(ajax.responseText) {
		  	    processXMLLevel(ajax.responseText, type_id);
		  	 }
		   	else {			
		   	   show_levels.style.display = "none";			  
		   	}
           }
        }         
	    var params = "listingtype="+type_id;
	    	    
        ajax.send(null);
   }      
}
  
function processXMLLevel(obj, type){   
	  var show_levels = document.getElementById("levels");
	  //var show_prices = document.getElementById("levels_price_1");
	  //var show_prices2 = document.getElementById("levels_price_2");
	  //var show_prices3 = document.getElementById("levels_price_3");
      show_levels.style.display = "block";      
      
      /*if (show_prices && show_prices2 && show_prices3) {
      	if (type == 1) { show_prices.style.display = "block"; show_prices2.style.display = "none"; show_prices3.style.display = "none"; }
      	else if (type == 2) { show_prices.style.display = "none"; show_prices2.style.display = "block"; show_prices3.style.display = "none"; }
      	else if (type == 3) { show_prices.style.display = "none"; show_prices2.style.display = "none"; show_prices3.style.display = "block"; }
      }*/
      show_levels.innerHTML = obj;   
}