/*addEvent(window, "load", startUp);
function startUp(){
	addCurtain();
}*/

							
/*function addCurtain(){
	var img=document.createElement('img');

	img.setAttribute("src", "i/curtain.png");
	img.setAttribute("id", "curtain");
	img.setAttribute("class", "png");
	img.style.display = 'block';

	var container = document.getElementsByTagName('body');	
	
	//container[0].appendChild(img);
	*/
	/*var newFields = document.getElementById('readroot').cloneNode(true);
	newFields.id = '';
	newFields.style.display = 'block';
	var newField = newFields.childNodes;
	for (var i=0;i<newField.length;i++) {
		var theName = newField[i].name
		if (theName)
			newField[i].name = theName + counter;
	}*/
	//var newFields = document.getElementById('readroot')
	/*var jopa = document.getElementById('main');
	var insertHere = jopa.getElementsByTagName('img');
	var govno = insertHere[0];
	govno.insertBefore(img,govno);*/
//}

function curtain(){
	var body = document.getElementsByTagName("body");
	document.getElementById("curtain").style.height = body[0].offsetHeight + 'px';
}

/*function doResize()
{
  curtain();
}

addEvent(window, "resize", doResize);*/

function addEvent(objElement, strEventType, ptrEventFunc) {
	if (objElement.addEventListener) objElement.addEventListener(strEventType, ptrEventFunc, false);
		else if (objElement.attachEvent) objElement.attachEvent('on' + strEventType, ptrEventFunc);
}

function showCurtain(){
	if(document.getElementById("curtain"))
		document.getElementById("curtain").style.display = 'block';	
}

function hideCurtain(){
	if(document.getElementById("curtain"))
		document.getElementById("curtain").style.display = 'none';	
}

function showPopup(popid){
	if(document.getElementById(popid)){
		document.getElementById(popid).style.display = 'block';	
		showCurtain();
	}
}

function hidePopup(popid){
	if(document.getElementById(popid)){
		document.getElementById(popid).style.display = 'none';
		hideCurtain();
	}
}