var req;
var inn;
function loadAdver(ad,val1) {
	inn = ad;
	
	  if(val1 !=''&& ad == 'advert')
	{
		  
var url = "advertisement.php";
   var par="?cat="+val1;
	}
	
		if(ad == 'advert'&& val1==''){
		var url = "advertisement.php";
	   var par="";
	} 
	
	if(ad == 'boats'){
		var url = "boats.php";
		var par="";
	}
 
   // Internet Explorer
  
   try { req = new ActiveXObject("Msxml2.XMLHTTP"); }
   catch(e) {
	    
      try { req = new ActiveXObject("Microsoft.XMLHTTP"); }
      catch(oc) { req = null; }
   }

   // Mozailla/Safari
   if (!req && typeof XMLHttpRequest != "undefined") { req = new XMLHttpRequest(); }

   // Call the processChange() function when the page has loaded
   if (req != null) {
      req.onreadystatechange = processChange;
	
	 if(val1!="")
	   {

	  req.open("GET", url+par, true);
	   }
	   else
	   {
         req.open("GET", url, true);
	   }
      req.send(null);
   }
	



}

function processChange() {
   
	 if(inn == 'advert'){ getObject("advert").innerHTML = "<br><br><center><img src='images/ajax-loader.gif' border='0'></center><br><br>"; } 
	 else if(inn == 'boats'){ getObject("boats").innerHTML = "<br><br><center><img src='images/ajax-loader.gif' border='0'></center><br><br>"; }
	 
	 // The page has loaded and the HTTP status code is 200 OK
   if (req.readyState == 4 && req.status == 200) {
      // Write the contents of this URL to the searchResult layer
		if(inn == 'advert'){
			 getObject("advert").innerHTML = req.responseText;
		}else if(inn == 'boats'){
			 getObject("boats").innerHTML = req.responseText;
		}
   }
}

function getObject(name) {
   var ns4 = (document.layers) ? true : false;
   var w3c = (document.getElementById) ? true : false;
   var ie4 = (document.all) ? true : false;

   if (ns4) return eval('document.' + name);
   if (w3c) return document.getElementById(name);
   if (ie4) return eval('document.all.' + name);
   return false;
}