function lists(theList)
 {
	window.document.all["solutions"].style.visibility = "hidden";
	window.document.all["technologies"].style.visibility = "hidden";	
	window.document.all["aboutus"].style.visibility = "hidden";
	window.document.all["contactus"].style.visibility = "hidden";
	window.document.all["helpdesk"].style.visibility = "hidden";	
	window.document.all[theList].style.visibility = "visible";
        
 }	
function hidetables (nextList)
 {
	window.document.all[nextList].style.visibility = "hidden";
 }