var xmlHttp

function showVideo(video_num)
{		
	xmlHttp = GetXmlHttpObject();
	
	if (xmlHttp == null){	 alert ("Browser does not support HTTP Request");	 return;} 
	
	var url = "includes/showVideo.php"
	url = url + "?video_num="+video_num 
	url = url + "&sid="+Math.random()
	
	//prompt ("",url)
	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{
			document.getElementById('showVideos').innerHTML = xmlHttp.responseText;  
		}  
	}   
	
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null); 
}

function GetXmlHttpObject(){var xmlHttp=null;try{ xmlHttp=new XMLHttpRequest();}catch (e){ try{xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}catch (e){xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}}return xmlHttp;}