function popUp(URL,myWidth,myHeight,myScroll) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars="+myScroll+",location=0,statusbar=0,menubar=0,resizable=0,width="+myWidth+",height="+myHeight+",left = 426,top = 282');");
}
	
function imgswap(name, type)  
{
  eval("document." + name + ".src = 'images/buttons/" + name + "_" + type + ".gif'");
}

	var slideShowSpeed = 3000;

	var crossFadeDuration = 3;

	var Pic = new Array();

	Pic[0] = 'images/headers/aviation.jpg'
	Pic[1] = 'images/headers/facilities.jpg'
	Pic[2] = 'images/headers/building.jpg'
	Pic[3] = 'images/headers/transport.jpg'	

	var t;

	var j = 0;

	var p = Pic.length;

	var preLoad = new Array();

	

	function preloadImages() {

		for (i = 0; i < p; i++) {

			preLoad[i] = new Image();

			preLoad[i].src = Pic[i];

		}

		runSlideShow();

	}

	

	function runSlideShow() {

		if (document.all) {

			document.images.SlideShow.style.filter="blendTrans(duration=2)";

			document.images.SlideShow.style.filter="blendTrans(duration=crossFadeDuration)";

			document.images.SlideShow.filters.blendTrans.Apply();

		}

		document.images.SlideShow.src = preLoad[j].src;

		if (document.all) {

			document.images.SlideShow.filters.blendTrans.Play();

		}

		j = j + 1;

		if (j > (p - 1)) j = 0;

		t = setTimeout('runSlideShow()', slideShowSpeed);

	}