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

function normalFontSize() {
   var p = document.getElementById("copy").getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      p[i].style.fontSize = "1em";
   } 
}
function mediumFontSize() {
   var p = document.getElementById("copy").getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      p[i].style.fontSize = "1.2em";
   } 
}
function largeFontSize() {
   var p = document.getElementById("copy").getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      p[i].style.fontSize = "1.4em";
   }   
}

function verify() {

  var themessage = "You are required to complete the following fields: ";
  if (document.info_form.name_from.value=="") {
    themessage = themessage + " - First Name";
  }
  if (document.info_form.last_name.value=="") {
    themessage = themessage + " -  Last Name";
  }
  if (document.info_form.email_from.value=="") {
    themessage = themessage + " -  E-mail";
  }
  if (document.info_form.Company_Name.value=="") {
    themessage = themessage + " -  Company Name";
  }
  if (document.info_form.Address.value=="") {
    themessage = themessage + " -  Address";
  }
  if (document.info_form.City.value=="") {
    themessage = themessage + " -  City";
  }
  if (document.info_form.Zip_Code.value=="") {
    themessage = themessage + " -  Zip Code";
  }
  //alert if fields are empty and cancel form submit
  if (themessage == "You are required to complete the following fields: ") {
    document.info_form.submit();
  }
  else {
    alert(themessage);
    return false;
  }
}

function showType(on, off) {
	$('_'+on).show();
	$('_'+off).hide();
  return;
}