var on = 0;
var oname;
//status message shown when mousing over drop down menu
statusmes = "Click on heading to drop down menu"

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_findObj(n, d) { //v3.0
  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]; 
  if(!(d.all) && !(d[n])) {
  	x=d.getElementById(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); 
  return x;
}

function MM_showHideLayers() { //v3.0
  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_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function show(name)	{
    // quickjump layers
   	name && MM_showHideLayers(name,'','show');
	// rollovers 
    name && MM_swapImage(name+'-image','','images/'+name+'_red.gif',1);
}

function hide(name) {
	// quickjump layers
	name && MM_showHideLayers(name,'','hide');
	// rollovers
	name && MM_swapImage(name+'-image','','images/'+name+'.gif',1);
	if (!name) {
		MM_showHideLayers('business','','hide','culture','','hide','health','','hide','law','','hide','politics','','hide','science','','hide','technology','','hide');
		MM_swapImage('business-image','','images/business.gif',1);
		MM_swapImage('culture-image','','images/culture.gif',1);
		MM_swapImage('health-image','','images/health.gif',1);
		MM_swapImage('law-image','','images/law.gif',1);
		MM_swapImage('politics-image','','images/politics.gif',1);
		MM_swapImage('science-image','','images/science.gif',1);
		MM_swapImage('technology-image','','images/technology.gif',1);
	}
}

function toggle(name) {
	// if (document.all||document.getElementById) {
	// if on(name) returns true
	if (on == 1) {
		hide();
		on = 0;
		if(!(name == oname))
			toggle(name);
	}
	else if(name) {
	show(name);
	oname = name;
	on = 1;
	}
	else if(!name) {
		return true;
	}
	return false;
	// }
	// else {return true;}
}

function highlight(which,color){
if (document.all||document.getElementById)
which.style.backgroundColor=color
}