function MM_showHideLayers() {
var i,p,v,obj,args=MM_showHideLayers.arguments;	for (i=0; i<(args.length-2); i+=3){	if ((obj=MM_findObj(args[i]))!=null){ 
v=args[i+2]; if (obj.style){ obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }obj.visibility=v;}	}}

function MM_findObj(n, d) {
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 && d.getElementById) x=d.getElementById(n); return x; }

function MM_ChangeBold (strIdLink1, strIdLink2)
{
	var objLink1 = document.getElementById(strIdLink1);	
	var objLink2 = document.getElementById(strIdLink2);	
	if (objLink1 != null)
	{		
		objLink1.style.fontWeight = 'bold';
	}
	if (objLink2 != null)
	{
		objLink2.style.fontWeight = 'normal';
	}	
}