var omitformtags=["input", "textarea", "select"] 
omitformtags=omitformtags.join("|") 
function disableselect(e)
{ 
	if(omitformtags.indexOf(e.target.tagName.toLowerCase())==-1)return false;
} 
function reEnable()
{ 
return true 
} 
if(typeof document.onselectstart!="undefined")document.onselectstart=new Function ("return false") 
else
{ 
document.onmousedown=disableselect;
document.onmouseup=reEnable;
}
function block(oEvent)
{ 
	if(window.event)
	{ 
		oEvent=window.event; 
		oEvent.returnValue=false; 
	}
	else oEvent.preventDefault(); 
}
document.oncontextmenu=block;
function $(id)
{
	return document.getElementById(id);
}
function fy(s)
{
	if(s.indexOf(".html")==-1)location.href="?page="+s;
	else location.href=s;
}
function tda(no)
{
	var menu,sdiv;
	menu=$("menu");
	sdiv=menu.getElementsByTagName("div");
	sdiv[no].style.display="block";
}
function tdb(no)
{
	var menu,sdiv;
	menu=$("menu");
	sdiv=menu.getElementsByTagName("div");
	sdiv[no].style.display="none";
}
function dva(mb)
{
	mb.style.display="block";
}
function dvb(mb)
{
	mb.style.display="none";
}