//Douglas Displays Javascript File


// random image selection and slideshow for banner images
var path= "http://www.douglasdisplays.com/images/";
var p = banner.length;

var preLoad = new Array();
for(i = 0; i < p; i++){
		preLoad[i] = new Image();
		preLoad[i].src = path + banner[i];
}

var crossFadeDuration = 3;
var j = Math.floor(Math.random()*(p));
var t;

if((location.href == 'http://www.douglasdisplays.com/stage') || (location.href == 'http://www.douglasdisplays.com/stage/index.php')){ 
	if(j%2){j = j-1;};
}

function runBannerImg(){ // runs slide show and IE transitions
	if(document.all){
		document.images.bannerImg.style.filter="blendTrans(duration=crossFadeDuration)"
		document.images.bannerImg.filters.blendTrans.Apply()
	}
	
	document.getElementById('bannerImg').src = preLoad[j].src;
	
	if(document.all){
		document.images.bannerImg.filters.blendTrans.Play()
	}
	
	j = j+1;
	if(j > (p-1)){j=0};
	t = setTimeout('runBannerImg()', 10000);
}

if(!document.all){
	window.onload = runBannerImg; //to run slide show on home page for all nonIE browsers
}


// JavaScript Document CSS Dropdown Navigation for IE6-
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	runBannerImg(); //to run slide show on home page for IE
}
if(window.attachEvent){window.attachEvent("onload", sfHover);}