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 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 show(number)
{
	switch(number)
	{
		case 1:
			MM_showHideLayers('craft','','show', 'job','','hide', 'care','','hide', 'misc','','hide', 'travel','','hide', 'hotels','','hide', 'entertain','','hide');
			MM_showHideLayers('null_layer','','show');
			break;
		case 2:
			MM_showHideLayers('craft','','hide', 'job','','show', 'care','','hide', 'misc','','hide', 'travel','','hide', 'hotels','','hide', 'entertain','','hide');
			MM_showHideLayers('null_layer','','show');
			break;
		case 3:
			MM_showHideLayers('craft','','hide', 'job','','hide', 'care','','show', 'misc','','hide', 'travel','','hide', 'hotels','','hide', 'entertain','','hide');
			MM_showHideLayers('null_layer','','show');
			break;
		case 4:
			MM_showHideLayers('craft','','hide', 'job','','hide', 'care','','hide', 'misc','','show', 'travel','','hide', 'hotels','','hide', 'entertain','','hide');
			MM_showHideLayers('null_layer','','show');
			break;
		case 5:
			MM_showHideLayers('craft','','hide', 'job','','hide', 'care','','hide', 'misc','','hide', 'travel','','show', 'hotels','','hide', 'entertain','','hide');
			MM_showHideLayers('null_layer','','show');
			break;
		case 6:
			MM_showHideLayers('craft','','hide', 'job','','hide', 'care','','hide', 'misc','','hide', 'travel','','hide', 'hotels','','show', 'entertain','','hide');
			MM_showHideLayers('null_layer','','show');
			break;
		case 7:
			MM_showHideLayers('craft','','hide', 'job','','hide', 'care','','hide', 'misc','','hide', 'travel','','hide', 'hotels','','hide', 'entertain','','show');
			MM_showHideLayers('null_layer','','show');
			break;
	}
}

function hide(number)
{
	switch(number)
	{
		case 1:
			MM_showHideLayers('entertain','','hide');
			break;
		case 2:
			MM_showHideLayers('hotels','','hide');
			break;
		case 3:
			MM_showHideLayers('travel','','hide');
			break;
		case 4:
			MM_showHideLayers('misc','','hide');
			break;
		case 5:
			MM_showHideLayers('care','','hide');
			break;
		case 6:
			MM_showHideLayers('job','','hide');
			break;
		case 7:
			MM_showHideLayers('craft','','hide');
			break;
	}
}


function hide_all()
{
	hide (1);
	hide (2);
	hide (3);
	hide (4);
	hide (5);
	hide (6);
	hide (7);
	MM_showHideLayers('null_layer','','hide');
}


function chgBg(obj,color)
{
  	obj.bgColor = color;
}