function showPopup(num){
	var popup = document.getElementById("popup" + num);
	
	var so = new SWFObject("/_flash/block-" + num + ".swf", "popup", "420", "165", "9", "#000000");
	so.addParam("wmode", "transparent");
	so.write("popup" + num);
	
	popup.style.display = "block";
}
function hidePopups(){
	for(i=1;i<5;i++){
		document.getElementById("popup" + i).style.display = "none";
	}
}