sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function mAddress(user, domain) {
    locationstring = "mailto:" + user + "@" + domain;
    window.location = locationstring;
  }
  
function openWin(URL,W,H) {
newWindow =window.open(URL,"nWindow","menubar=no,scrollbars=no,resizable=no,width="+W+",height="+H+",toolbar=no,status=no"); 
}



function currency_validChars(num)
	{
	var chars = "0123456789.,";
	for (var i = 0; i < chars.length; i++)
		{
			if (chars.indexOf(num.charAt(i)) == -1)
				{
					return true;
				}
		}
	}

function currency_format(num) 
{
	num = num.toString().replace(/\$|\,/g,'');
	
	if(isNaN(num))
		num = "0";
		sign = (num == (num = Math.abs(num)));
		num = Math.floor(num*100+0.50000000001);
		cents = num%100;
		num = Math.floor(num/100).toString();
		
	if(cents<10)
		cents = "0" + cents;
		
		
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3))+','+
	num.substring(num.length-(4*i+3));

	return (((sign)?'':'-') + num + '.' + cents);
}


function displayNone(elem) 
	{	
	var elemID = document.getElementsByName(elem);
	//var grp = "grp"
	//alert("total:" + elemID);
	for(i=1; i < elemID.length+1; i++)
		{
			var grp = "grp"+[i]
			this.document.getElementById(grp).style.display ='none';
			//grp1.style.display ='none';
			//alert("grp[i]:" + grp);
		}
	}


function displayToggle(gid) {
		var tid = document.getElementById(gid);
		if (tid.style.display =='')
			{
				tid.style.display ='none';
			}
			else
			{
				tid.style.display ='';
			}
	}