// JavaScript Document
function tshow(i){
	obj = document.getElementById('submenu'+i);
	parentobj = document.getElementById('navhead'+i);
	menutableobj = document.getElementById('menutop');
	if(obj && parentobj) {
		//obj.style.left = Number(parentobj.offsetLeft) + Number(document.body.leftMargin);
		obj.style.left = Number(parentobj.offsetLeft) + Number(document.body.leftMargin) + Number(parentobj.clientWidth)/2 - 100;
		//obj.style.width = parentobj.clientWidth;
		obj.style.width = '200px';
		obj.style.top = Number(menutableobj.offsetTop) + Number(menutableobj.clientHeight) + Number(menutableobj.offsetParent.offsetTop) + Number(document.body.topMargin);
		obj.style.display = 'block';
	}
}

function thide(i){
	obj = document.getElementById('submenu'+i);
	if(obj) obj.style.display = 'none';
	//alert("thide:"+ i);
}