function openWindow(url, height, width)
{
	var	sParams = 'height='+height+',' 
		sParams = sParams + 'width='+width+',' 
		sParams = sParams + 'toolbar=no,' 
		sParams = sParams + 'status=no,' 
		sParams = sParams + 'scrollbars=yes,' 
		sParams = sParams + 'directories=no,' 
		sParams = sParams + 'location=no,' 
		sParams = sParams + 'menubar=no' 
		sParams = sParams + ',resizable=yes';
	var	win = window.open(url,"pop_up",sParams,true);
}

function showimage(img)
{
	openWindow('showpicture.html?image='+img,430,630);
}