function showPage(_id) {
	
	top.document.getElementById('maincontent').src=GL_host+'pages.php?id='+_id;
	hideMenu();
}

function showProject(_id) {
	top.document.getElementById('maincontent').src=GL_host+'projects.php?id='+_id;
	hideMenu();
}

function closeMe(event) {
	if (window.event) {event = window.event; }
	if (event.target) {obj = event.target;} else if (event.srcElement){obj = event.srcElement;}
	
	if (obj.tearDown) {
		obj.tearDown.parentNode.removeChild(obj.tearDown)
	} else {
		obj.parentNode.removeChild(obj);
	}
}


function isIE() {
	return (navigator.userAgent.indexOf('IE') > 1 );
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function centerDiv(_oDiv) {
	divWidt = parseInt(_oDiv.style.width);
	divHeight = parseInt(_oDiv.style.height);
	pageWidth 	= _oDiv.parentNode.clientWidth;
	pageHeight	= _oDiv.parentNode.clientHeight;
	
	_oDiv.style.left = (pageWidth - divWidt)/2 ;
	_oDiv.style.top = (pageHeight - divHeight) /2 ;
}

function isString(a) {
    return typeof a == 'string';
}


function removeAllChildrens(_oContainer) {
while(child = _oContainer.firstChild) {
		_oContainer.removeChild(child)
	}
}