function checkDecimal(objStr){
    var objNumber;
    if(isNaN(objStr) && objStr!=''){
        alert('Value entered is not numeric');
        objNumber = '0.00';
    }
    else if(objStr==''){
        objNumber = '0.00';
    }
    else if(objStr.indexOf('.')!=-1){
        if(((objStr.length) - (objStr.indexOf('.')))>3){
            objStr = objStr.substr(0,((objStr.indexOf('.'))+3));
        }
        if(objStr.indexOf('.')==0){
            objStr = '0' + objStr;
        }
        var sLen = objStr.length;
        var TChar = objStr.substr(sLen-3,3);
        if(TChar.indexOf('.')==0){
            objNumber = objStr;
        }
        else if(TChar.indexOf('.')==1){
            objNumber = objStr + '0';
        }
        else if(TChar.indexOf('.')==2){
            objNumber = objStr + '00';
        }
    }
    else{
        objNumber = objStr + '.00';
    }
}

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);

//Calculate Amount Saved

function roundNumber(num) {
	var result = num.toFixed(2)
	return result;
}
	
function filterNum(str) {
	re = /\$/g;
	// remove special characters like "$" and "," etc...
	return str.replace(re, "");	
}

function bookmark(url,title){
  if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
  window.external.AddFavorite(url,title);
  } else if (navigator.appName == "Netscape") {
    window.sidebar.addPanel(title,url,"");
  } else {
    alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark");
  }
}