var t = 0;
var tmr;

function run() {
	setTimeout(bodyload, 200);
}

function bodyload() 
{
	if (document.getElementById('datalayer')) {
		var screenHeight = document.getElementById('datalayer').clientHeight;
		var screenWidth = document.getElementById('datalayer').clientWidth;
		if (parent.changelayersizebyname)
			parent.changelayersizebyname(screenWidth, screenHeight, "tip_f");
	}
}

function showbut() {
	clearTimeout(tmr);
	t = 1;document.getElementById('closebutton').style.visibility = 'visible';
}

function closebut() {
	clearTimeout(tmr);
	t = 0; tmr = setTimeout('closebutt()', 1000);
}

function closebutt() {
	if(t == 0) document.getElementById('closebutton').style.visibility = 'hidden';
}