function MM_findObj(n, d) 
{ //v4.0 
	var p,i,x;  
	if(!d) 
	{
		d=document; 
	}
	if((p=n.indexOf("?"))>0&&parent.frames.length) 
	{ 
		d=parent.frames[n.substring(p+1)].document; 
		n=n.substring(0,p);
	} 
	if(!(x=d[n])&&d.all) x=d.all[n]; 
	for (i=0;!x&&i<d.forms.length;i++) 
	{
		x=d.forms[i][n]; 
	}
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) 
	{
		x=MM_findObj(n,d.layers[i].document); 
	}
	if(!x && document.getElementById) 
	{
		x=document.getElementById(n); 
	}
	return x; 
} 
function showdiv(divName)
{
	var mydiv;
	mydiv = MM_findObj(divName);
	if(mydiv.style.display == "none")
	{
		mydiv.style.display = "";
	}
	else
	{
		mydiv.style.display = "none";
	}
	return false;
}