function sfHover() 
{
	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 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 PreLoadImages()
{
    MM_preloadImages('style/aqua/active-bg.gif','style/aqua/dark-bg.gif','style/aqua/hover-bg.gif','style/aqua/menuarrow.gif','style/aqua/normal-bg.gif','style/aqua/rowhover-bg.gif','style/aqua/status-bg.gif','style/aqua/title-bg.gif','style/aqua/today-bg.gif');
}

function IsNumeric(e)
{
    var keynum;
    var keychar;
    var numcheck;
    if(window.event) // IE
    {
        keynum = e.keyCode;

    }
    if(e.which) // Netscape/Firefox/Opera
    {
        keynum = e.which;
    }
    if(keynum == 8 || keynum == undefined) //Backspace
    {
        return true;
    }
    keychar = String.fromCharCode(keynum);
    numcheck = /\d/;
    return numcheck.test(keychar);
}

function IsString(e)
{
    var keynum;
    var keychar;
    var numcheck;

    if(window.event) // IE
    {
        keynum = e.keyCode;
    }
    if(e.which) // Netscape/Firefox/Opera
    {
        keynum = e.which;
    }
    if(keynum == 8 || keynum == undefined) //Backspace
    {
        return true;
    }
    keychar = String.fromCharCode(keynum);
    numcheck = /\d/;
    return !numcheck.test(keychar);
}


function IsMoney(e,obj)
{
    var keynum;
    var keychar;
    var numcheck;
    var num = obj.value;
    if(window.event) // IE
    {
        keynum = e.keyCode;
    }
    if(e.which) // Netscape/Firefox/Opera
    {
        keynum = e.which;
    }
    keychar = String.fromCharCode(keynum);
    if(keynum == 8 || keynum == undefined)//Backspace
    {
        return true;
    }
    if(keynum == 46) //Dot
    {
        if(num.length != 0)
        {
            for (i = 0; i < num.length ; i++)
            {
                if(num.charAt(i) == keychar)
                {
                    return false;
                }
            }
        }
        else
        {
            return false;
        }
        return true;
    }
    else
    {
        numcheck = /\d/;
        return numcheck.test(keychar);
    }
}