function hide(theid)
{
	document.getElementById(theid).style.display='none';
}
function show(theid)
{
	document.getElementById(theid).style.display='';
}
function setstyle(theid, classname)
{
	document.getElementById(theid).className=classname;
}
function getstyle(theid)
{
	return document.getElementById(theid).className;
}
function setsrc(theid, name)
{
	document.getElementById(theid).src=name;
}