function showpopup(s,t,e) {

	document.getElementById("popupimage").src = s;
	document.getElementById("popuptext").innerHTML = t;
	var closepopup = document.getElementById("popupclose");
	setpopupposition(e);
	document.getElementById("popupbox").style.visibility = "visible";

	};

function hidepopup() {

	document.getElementById("popupbox").style.visibility = "hidden";
	document.getElementById("popupimage").src = "blank.gif";

	};

function setpopupposition(e) {

	document.getElementById("popupbox").style.left = 25+"%";
	document.getElementById("popupbox").style.top = 12+"px";

	};