var onLayer = 0;

var offtimer = null;

var ontimer = null;



function findPos(obj) {

	var curleft = curtop = 0;

	if (obj.offsetParent) {

		do {

			curleft += obj.offsetLeft;

			curtop += obj.offsetTop;

		} while (obj = obj.offsetParent);

	}

	return [curleft,curtop];

}



function dd_menu_on()

{

	window.clearTimeout(offtimer);  

	var link = document.getElementById('dd_menu_link');

	var pos = findPos(link);

	document.getElementById('ch_select').style.left=(pos[0]+160)+"px";

	document.getElementById('ch_select').style.top=(pos[1]+20)+"px";

	ontimer = window.setTimeout(dd_menu_show, 400);

}



function dd_menu_off()

{

	offtimer = window.setTimeout(dd_menu_hide, 240);

	window.clearTimeout(ontimer);  

}



function dd_menu_show()

{

	document.getElementById('ch_select').style.display='inline';

}



function dd_menu_hide()

{

	document.getElementById('ch_select').style.display='none';

}