function element(id)
{
	return document.getElementById ? document.getElementById(id) : document.all[id];
}

function topbannercheck(value)
{
	if(value == 'y')
	{
		element('topbanner').style.display='block';
	}
	if(value == 'n')
	{
		element('topbanner').style.display='none';
	}
}

function getCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');

	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

// OVERLAY MESS
function showMess()
{
	showMessWin();
	setTimeout(closeMessWind,2000);
}

function closeMessWind()
{
	element('overlay').style.display='none';
	element('messBlock').style.display='none';
	element('closeButton').style.display='none';
	element('messContent').style.display='none';
	return false;
}

function showMessWin()
{
	var arrayPageSize = getPageSize();
	element('overlay').style.height = (arrayPageSize[1] + 'px');
	element('overlay').style.width = (arrayPageSize[0] + 'px');
	element('overlay').style.display='block';
	element('messBlock').style.display='block';
	element('messContent').style.display='block';
	element('closeButton').style.display='block';
	return false;
}

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;
}

// END OVERLAY MESS