var home_button=new Image(); home_button.src="images/home_button_highlight.gif";
var design_button=new Image(); design_button.src="images/design_button_highlight.gif";
var contact_button=new Image(); contact_button.src="images/contact_button_highlight.gif";
var help_button=new Image(); help_button.src="images/help_button_highlight.gif";

var details ='scrollbars=no,toolbars=no,menubar=no,alwaysRaised=yes,titlebar=no,left=110,top=110,width=610, height=520';
var detailsb ='scrollbars=yes,innerHeight=520,innerWidth=610,width=610, height=520';
function show(id) {
	if (ns4) document.layers[id].visibility = "show"
	else if (ie4) document.all[id].style.visibility = "visible"
	else if (ns6) document.getElementById(id).style.visibility = "visible"
	}
function hide(id) {
	if (ns4) document.layers[id].visibility = "hide"
	else if (ie4) document.all[id].style.visibility = "hidden"
	else if (ns6) document.getElementById(id).style.visibility = "hidden"
	}
function hideAllSections() {
for(a=1; a < numRows; a++)
		{
			sectionx = ("section" + a)
			hide(sectionx);
		}
}
function changesection(n) {
	hideAllSections();
	show("section" + n);
	}
function selectedb(s) {
	changesection(s)
	}
function init()
 {
hideAllSections()
 }
function swapin(imgname)
	{
			document.images[imgname].src= ('images/'+ imgname +'_highlight.gif');
      	}
function swapout(imgname)
	{
	 	 document.images[imgname].src= ('images/'+ imgname +'_normal.gif');
	}