// Hour glass cursor icon is shown when the page is being loaded for some visual feedback
function doHourglass() {
	document.body.style.cursor = 'wait';
}


var prevImgId = null;
var opacity = 100;
var hiddenOpacity = 20;

function doOnLoadForHomepage()
{
	window.setInterval(display, 2000);
}

function display() {
	var numPhotos = 8;
	var ranNum= Math.floor(Math.random()*numPhotos) + 1;
	var imgId = "img";
	if (ranNum<10)
		imgId += "0" + ranNum;
	else
		imgId += ranNum;
	
	//alert("This alert box was called with the onload event");
	var imageobject = document.getElementById(imgId);
	var prevImgObj = null;
	if (prevImgId != null)
		prevImgObj = document.getElementById(prevImgId);


    if (navigator.appName.indexOf("Microsoft")!=-1&&parseInt(navigator.appVersion)>=4) {
		imageobject.filters.alpha.opacity=opacity;
		if (prevImgObj != null)
			prevImgObj.filters.alpha.opacity=hiddenOpacity;		
	} else {
		imageobject.style.opacity=opacity/100;
		if (prevImgObj != null)
			prevImgObj.style.opacity=hiddenOpacity/100;
	}
	
	prevImgId = imgId;	
}



/***********************************************
* Disable Text Selection script- c Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/
function disableSelection(target){
	if (typeof target.onselectstart!="undefined") //IE route
		target.onselectstart=function(){return false}
	else if (typeof target.style.MozUserSelect!="undefined") //Firefox route
		target.style.MozUserSelect="none"
	else //All other route (ie: Opera)
		target.onmousedown=function(){return false}
	target.style.cursor = "default"
}