function showBox(){
    
    setPageDims();
    $('overlay').style.height = (pageDims[1] -30) + 'px';
    $('overlay').style.width = pageDims[0] + 'px';
    $('overlay').show();
    
    //check for IE
    if(navigator.appVersion.indexOf("MSIE") != -1){
    
		//check for homepage flash
		var flashdiv = document.getElementsByTagName('div');
		for(i=0;i<flashdiv.length;i++){
			if(flashdiv[i].className == 'easy'){
				flashdiv[i].style.visibility = 'hidden';
			}
		}
	}
	
    return false;
}

function hideBox(){

    $('overlay').hide();
    
    //check for IE
    if(navigator.appVersion.indexOf("MSIE") != -1){
		//check for homepage flash
		var flashdiv = document.getElementsByTagName('div');
		for(i=0;i<flashdiv.length;i++){
			if(flashdiv[i].className == 'easy'){
				flashdiv[i].style.visibility = 'visible';
			}
		}
	}
    return false;
}


//Helps to get the entire height of the page, including any scroll or offset.
setPageDims = function(){
		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;
		}

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