function over(pos_hl,name_hl)
{
	if (window.parent.lastclickp==pos_hl){}
	else 
	{
		document.images[pos_hl].src='images/'+name_hl+'2.gif'
	}
}


function roll(img_name, img_src)
   {
   document[img_name].src = img_src;
   }

function press(pos_pr,name_pr)
{
	if (window.parent.lastclickp!=null)
	{
		document.images[window.parent.lastclickp].src='images/'+window.parent.lastclickn+'1.gif';
	}
	document.images[pos_pr].src='images/'+name_pr+'2.gif';
	window.parent.lastclickp=pos_pr;
	window.parent.lastclickn=name_pr;
}

function uncolored(pos_uc,name_uc)
{
	if (window.parent.lastclickp==pos_uc){}
	else 
	{
		document.images[pos_uc].src='images/'+name_uc+'1.gif'
	}
}



function toggleMenu(objID) {
if (!document.getElementById) return;

var ob = document.getElementById(objID).style;

ob.display = (ob.display == 'block')?'none': 'block';
}