function createWgsRolloverImages() {
// check to see if the browser understands the image object
if (document.images) 
	{
//create new image objects for rollover images used in common navigation
    lm = new Image
    hovlm = new Image
    dl = new Image
    hovdl = new Image
    vd = new Image
    hovvd = new Image
    pu = new Image
    hovpu = new Image
		
// pair up the new image objects with images
    lm.src = "../../images/wgs_learn_more.gif"
    hovlm.src = "../../images/all_learn_more_hov.gif"
    dl.src = "/images/wgs_download.gif"
    hovdl.src = "/images/all_download_hov.gif"
    vd.src = "/images/wgs_view_demo.gif"
    hovvd.src = "/images/all_view_demo_hov.gif"
    pu.src = "/images/wgs_purchase.gif"
    hovpu.src = "/images/all_purchase_hov.gif"
	}		
// if the browser does not understand the image object (any browser before
// NS 3 or doesn't support JavaScript 1.1) set the variables and names used 
// in the html doc to empty to prevent error messages
	else 
	{
    lm = ""
    hovlm = ""
    dl = ""
    hovdl = ""
    vd = ""
    hovvd = ""
    pu = ""
    hovpu = ""
		
		document.learn_more = ""
		document.download = ""
		document.view_demo = ""							
		document.purchase = ""							
	}
}
createWgsRolloverImages()