function getPageSize(){

	var xScroll, yScroll;

	if (window.innerHeight && window.scrollMaxY) {
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}

	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}

	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
	return arrayPageSize;
}

function displayLaudacio(boxNumber)
{
	var arrayPageSize = getPageSize();
	if(document.getElementById("laudacio"+boxNumber).style.display=="none") {
		var yPos = document.getElementById("divlaud"+boxNumber).offsetTop;
		tempEl = document.getElementById("divlaud"+boxNumber).offsetParent;
		while (tempEl != null) {
			yPos += tempEl.offsetTop;
			tempEl = tempEl.offsetParent;
		}
		var top = yPos + document.getElementById("divlaud"+boxNumber).offsetHeight;
		var obj = document.getElementById("laudacio"+boxNumber);
		obj.style.display="block";
		document.getElementById("grayBG").style.display="block";
		var size = arrayPageSize[1];
		document.getElementById("grayBG").style.height = (size + 'px');
		var mennyi = (arrayPageSize[2]-770) / 2;
		obj.style.left = mennyi + 'px';
		obj.style.right = mennyi + 'px';
		if (size < top + obj.offsetHeight) { obj.style.top = ( size - obj.offsetHeight ) + 'px'; }
	} else {
			document.getElementById("laudacio"+boxNumber).style.display="none";
			document.getElementById("grayBG").style.display="none";
	}
}