function doButton(num,noroll,page)
{
	if (noroll)
		document.write("<a href=\""+page+"\"><img src=\"images/button"+num+"h.png\"></a>");
	else
		document.write("<a onmouseover=\"if(document.images) document.b"+num+".src='images/button"+num+"h.png';\" onmouseout=\"if(document.images) document.b"+num+".src='images/button"+num+".png';\" href=\""+page+"\"><img name=\"b"+num+"\" src=\"images/button"+num+".png\"></a>");
	
	if (num < 4)
		document.write("<img src=\"images/shell.png\">");
}