var hdrImgArray = new Array("/images/sub_hdr_image1.jpg","/images/sub_hdr_image2.jpg","/images/sub_hdr_image3.jpg");
var lnavImgArray = new Array("/images/lnav1.jpg","/images/lnav2.jpg","/images/lnav3.jpg");
imgCt = hdrImgArray.length;

function choosePic() {
	if (document.images) {
		randomNum = Math.floor((Math.random()*imgCt));
		document.imgHdr.src = hdrImgArray[randomNum];
		document.imgLnav.src = lnavImgArray[randomNum];
		}
	}
	
// New Internal Window
function IntWindow(newpage, pagename) {
	newIntwin = window.open(newpage, pagename, "toolbar=no,menubar=no,location=no,scrollbars=no,width=400,height=400")
}

// New Internal Window - Scrolling
function ScrollWindow(newpage, pagename) {
	newScrollwin = window.open(newpage, pagename, "toolbar=no,menubar=no,location=no,scrollbars=yes,width=417,height=400")
}	

// New Window
function ExtWindow(newpage) {
	newExtwin = window.open('http://' + newpage)
}

// New Window for Image
function ImgWindow(webimage,w,h) {
	newImgWin = window.open(webimage,"WebImage", "menubar=no,toolbar=no,location=no,scrollbars=yes,width=" + w + ",height=" + h)
}