function chng(pic_location,pic)
{
document[pic_location].src=pic
}

top_bar1=new Image()
top_bar1.src="images/arrow1.gif"

var last_div='bar'
function chng_div(new_one)
{	
	document.getElementById(last_div).style.visibility = "hidden";
	document.getElementById(new_one).style.visibility = "visible";		
	last_div=new_one
}


var last_div1='lay0'
function chng_div1(new_one1)
{	
	document.getElementById(last_div1).style.visibility = "hidden";
	document.getElementById(new_one1).style.visibility = "visible";		
	last_div1=new_one1
}

var last_div2='lay16'
function chng_div2(new_one2)
{	
	document.getElementById(last_div2).style.visibility = "hidden";
	document.getElementById(new_one2).style.visibility = "visible";		
	last_div2=new_one2
}

function win_open(address,name,width,height,isScroll)
{
IsScrollbars='0'
if (isScroll)
	if (isScroll == 1)
		IsScrollbars='1'

if(address!='#')
window.open(address,name,"width="+width+",height="+height+",scrollbars=" + IsScrollbars + ",resizable=1,top=0,left=0,toolbar=0,status=0")
}