var xmlHttp;
function controllaAjax()
{
	try
	{// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	
	catch (e)
	{// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		
		catch (e)
		{
			try
			{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
	}
}


function ajaxFunction_VisualizzaVideo(chiaveContenuto)
{
	//alert(chiaveContenuto)
	controllaAjax();
	xmlHttp.onreadystatechange=function()
	{
		if(xmlHttp.readyState==4)
		{
			var selClass = new Array();
			selClass = document.getElementsByClassName("video");
			for(i=0; i<selClass.length; i++)
			{
				str = selClass[i].innerHTML;
				str = str.replace("<b>","");
				str = str.replace("</b>","");
				
				selClass[i].innerHTML=str;
			}
			//alert(selClass.length)

			id_link = eval("document.getElementById('link_video_"+chiaveContenuto+"')");
			etichetta = "<b>"+id_link.innerHTML+"</b>"
			id_link.innerHTML = etichetta
			//alert(id_link.innerHTML)
			eval("document.getElementById('box_video').innerHTML=xmlHttp.responseText")
			return false;
		}
	}


	parametri_get = "";
	if(chiaveContenuto!="")
		parametri_get = parametri_get+"?chiaveContenuto="+chiaveContenuto;

	xmlHttp.open("GET", "ajax_stampa_video.php"+parametri_get  ,true);
	xmlHttp.send(null);
}