function show_div(vThis)
	{
	// http://www.javascriptjunkie.com
	// alert(vSibling.className + " " + vDef_Key);
		v =	document.getElementById(vThis);
		v.style.display = "block";
	}

	function hide_div(vThis) {
		v =	document.getElementById(vThis);
		v.style.display = "none";
	}
	
	function show_picker(id) {		
		// cloase other div first
		for(i=10;i<=30;i++) {
			v = 'color_pick_'+i;
			try {
				vs = document.getElementById(v);
				vs.style.display = "none";
			} catch(e) {}
		}
		// show onover div
		v = 'color_pick_'+id;
		vs = document.getElementById(v);		
		vs.style.display = "block";
	}
	
	function hide_colors_name() {
		// cloase other div first
		for(i=10;i<=30;i++) {
			v = 'color_pick_'+i;
			try {
				vs = document.getElementById(v);
				vs.style.display = "none";
			} catch(e) {}
		}		
	}