function $(ID){
	if(document.getElementById(ID))
		return document.getElementById(ID)
	return null;
}

function closePopup(){
	var app= document.getElementById('app')
	if(document.getElementById('blackout'))
		app.removeChild(document.getElementById('blackout'));
	app.innerHTML='';
//	app.removeChild(document.getElementById('popupContainer'));
//	if(document.getElementById('popup'))
//		app.removeChild(document.getElementById('popup'));
//	if(document.getElementById('popupClose'))
//		app.removeChild(document.getElementById('popupClose'));
	app.style.minHeight = 0;
}



function createPopUp(){
	//alert('creating popup');
	var blackout = document.createElement('DIV');
	blackout.id = 'blackout';
	//blackout.style.height= document.getElementById('pageH').offsetHeight +"px";
	document.getElementById('app').appendChild(blackout);
	
	var popupContainer = document.createElement('DIV');
	popupContainer.id = 'popupContainer';
	document.getElementById('app').appendChild(popupContainer);
	
	//alert(document.getElementById('pageH').offsetHeight);
//	document.getElementById('pageH').style.height= document.getElementById('pageH').offsetHeight +"px";

/*	
	var app = document.createElement('DIV');
	app.id = 'app';
	document.body.appendChild(app);*/
}