var bolDOM = document.getElementById;
var ie = document.all;

document.write('<link rel="stylesheet" type="text/css" href="/includes/fadepop/fadepop.css">');
if(ie) {document.write('<link rel="stylesheet" type="text/css" href="/includes/fadepop/fadepop_ie.css">');}
else {document.write('<link rel="stylesheet" type="text/css" href="/includes/fadepop/fadepop_moz.css">');}

function dispFadePop(divid) {
	var bolTemp;

	bolTemp = dispPopUp();
	if(bolTemp) {document.getElementById('fadepoptxt').innerHTML = document.getElementById(divid).innerHTML;}
}

function dispPopUp() {
	var objBody; var objDiv;
	
	if(bolDOM) {
		arrPageSize = getPageSize();
	
		objBody = document.getElementsByTagName('body').item(0);
		
		objDiv = document.createElement('div');
		objDiv.setAttribute('id', 'fadepopbgnd');
		objBody.insertBefore(objDiv, objBody.firstChild);
		
		objDiv.style.height = (arrPageSize[1] + 'px');
		
		objDiv = document.createElement('div');
		objDiv.setAttribute('id', 'fadepop');
		objDiv.onclick = function() {delPopUp();}
		objBody.insertBefore(objDiv, objBody.firstChild);
		
		objDiv.style.height = (arrPageSize[1] + 'px');
		
		document.getElementById('fadepop').innerHTML = '<div id="fadepopbox"><div id="fadepopoline"><div id="fadepoptxt"></div></div></div>';
	}
	
	return true;
}

function delPopUp() {
	var objBody; var objDiv;

	if(bolDOM) {
		objBody = document.getElementsByTagName('body').item(0);
		
		objDiv = document.getElementById('fadepopbgnd');
		objBody.removeChild(objDiv);
		
		objDiv = document.getElementById('fadepop');
		objBody.removeChild(objDiv);
	}
}

// from Lightbox JS (http://www.lokeshdhakar.com/projects/lightbox/)
// core code from quirksmode.org
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;
}
