function rand(l,u) 
 {
     return Math.floor((Math.random() * (u-l+1))+l);
 }

var req = createXMLHttpRequest();  

function createXMLHttpRequest() 
{  
 
	var ua;  
	if(window.XMLHttpRequest) 
	{  
          try {  
              ua = new XMLHttpRequest();  
             } catch(e) {  
              ua = false;  
            }  
        } else if(window.ActiveXObject) 
		{  
            	  try {  
	            	    ua = new ActiveXObject('Microsoft.XMLHTTP');  
	              } catch(e) {  
            	    	ua = false;  
            	  		}  
            	 }  
	return ua;  
}  


function sendRequest(num) 
{  
	if(document.getElementById("testimonial_cont")) {
	 	 var str = "get-testimonial-content.php?gno="+num;  
            	  req.open("GET", str);  
            	  req.onreadystatechange = handleResponse;  
            	  req.send(null);  
	}
}  
        

function handleResponse() {  

	 if(req.readyState == 4)
	 {  
		if(req.status == 200) 
		{
	            	  var response = req.responseText;  
	            	  document.getElementById("testimonial_cont").innerHTML = response;  
		}
 	 }  
}