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);

sfHover2 = function() {
	if (document.getElementById("nav2")) {
	var sfEls2 = document.getElementById("nav2").getElementsByTagName("LI");
	for (var j=0; j<sfEls2.length; j++) {
		sfEls2[j].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls2[j].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover2);

sfHover3 = function() {
    if (document.getElementById("nav3")) {
	var sfEls3 = document.getElementById("nav3").getElementsByTagName("LI");
	for (var k=0; k<sfEls3.length; k++) {
		sfEls3[k].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls3[k].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover3);

sfHover4 = function() {
    if (document.getElementById("nav4")) { 
	var sfEls4 = document.getElementById("nav4").getElementsByTagName("LI");
	if(sfEls4) {
		for (var l=0; l<sfEls4.length; l++) {
			sfEls4[l].onmouseover=function() {
				this.className+=" sfhover";
			}
			sfEls4[l].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			}
		}
	}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover4);


function mapPop(url) {
	window.open(url,'MapPricing','width=320,height=450');
}
