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);

over = function() {
	var sfEls = document.getElementById("nav2").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" over";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp("over"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", over);

calcValue = function () {
                                var val1 = document.value_calc.borrowed.value;
                                var val2 = document.value_calc.loftcost.value;
                                var val3 = document.value_calc.years.value;
                                var val4 = Number (val1) +  Number (val2);
                                if (val3 <= 3) {
                               document.getElementById('withoutConversion').innerHTML = Number (val1) +(Number (val1) * Number (val3)*0.04);}
else
{                               document.getElementById('withoutConversion').innerHTML = Number (val1) +(Number (val1) * Number (val3)*0.06);}

if (val3 == 1) {
                               document.getElementById('withConversion').innerHTML = Number (val4) + (Number (val4) * (Number (val3)*0.10));}

else
{                               document.getElementById('withConversion').innerHTML = Number (val4) + (Number (val4) * (Number (val3)*0.105));}
}