/* inits popup - is to be executed at onload in <BODY> element */
function popup_init(){
	
	popup_position();
	
	setInterval("popup_position()", 500);
	
	var crossobj=document.all? document.all.popup : document.getElementById("popup");
	
	crossobj.style.display = "block";
}

/* Positions popup in browser window */
function popup_position(){
	var popup_width = 300;
	var popup_height = 300;
	
	var crossobj=document.all? document.all.popup : document.getElementById("popup");
	
	if(window.innerWidth){ //if browser supports window.innerWidth
		var height = window.innerHeight;
		var width = window.innerWidth;
	}else if (document.all){ //else if browser supports document.all (IE 4+)	
		var height = document.body.clientHeight;
		var width = document.body.clientWidth;
	}
	
	var h_pos = 10;
	var w_pos = width-popup_width-10;
	
	crossobj.style.top = h_pos + "px";
	crossobj.style.left = w_pos + "px";
	
	
}

/* hides popup */
function popup_hide(){
	
	var crossobj=document.all? document.all.popup : document.getElementById("popup");
	
	crossobj.style.display = "none";
}