run_start_up_banner();


function run_start_up_banner()
{
	if ($('start_up_banner'))
	{
		showFog();
		$('start_up_banner').style.display = "block";
	}
}

function close_start_up_banner()
{
	if ($('start_up_banner'));
	{
		$('start_up_banner').style.display = "none";
		hideFog();
	}
}
function showFog()
{	
	if ($('fog'))
	{
		arrayPageSize = getPageSize();
		$('fog').setStyle({ width: arrayPageSize[0] + 'px', height: arrayPageSize[1] + 'px' });
		$('fog').style.display = "block";
	}
}

function hideFog()
{
	if ($('fog'))
	{
		$('fog').style.display = "none";
	}
}


//
//  getPageSize()
//
function getPageSize() {
		
	 var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		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
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			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 = xScroll;		
	} else {
		pageWidth = windowWidth;
	}

	return [pageWidth,pageHeight];
}

function SetBigThumb(image,title,real_image)
{
	var d = document.getElementById('big_thumb');
	
	if (image!='')
		d.innerHTML = '<img src="'+image+'" alt="'+title+'" border="0" width="300" height="300"  />';
}