/*
IE's implementation of document.getElementById is not case sensitive (http://mikebulman.typepad.com/you_love_mike_bulman/2006/02/documentgetelem.html)
*/

document._getElementById = document.getElementById;  
document.getElementById = function(id) {  
	var a = [];  
	var o = document._getElementById(id);  
	if (!o) return o;  
	while (o.id != id) {  
		a.push({i:o.id,e:o});  
		o.id='';  
		o = document._getElementById(id);  
		if (!o) return o;  
	}  
	for (j=0,jj=a.length; j<jj; j++) a[j].e.id = a[j].i;  
	a = null;  
	return o;  
}  


function toggle_legend() {
	if($('v-legend').style.display == 'none') {
		$('v-legend').style.display = 'block';
	} else {
		$('v-legend').style.display = 'none';
	}
}

function resortpage(obj) {
	//alert(obj.options[obj.selectedIndex].value);
	var loc = 'root,Offset,0.html?sortby='+obj.options[obj.selectedIndex].value;
	window.location = loc;
}