//NAVIGATION ****************************************************

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);

//FORM*************************************************************

function cf(obj){
	if(obj.value == obj.defaultValue) obj.value='';
}
function rf(obj){
	if(obj.value =='')obj.value=obj.defaultValue;
}


//PRELOAD-IMAGES**************************************************

var myimages=new Array()
function preloadimages(){
for (i=0;i<preloadimages.arguments.length;i++){
myimages[i]=new Image()
myimages[i].src=preloadimages.arguments[i]
}
}
preloadimages("images/bio_off.gif", "images/bio_on.gif", "images/cases_off.jpg", "images/cases_on.jpg", 
"images/clients.gif", "images/clients.gif", "images/contact_off.gif", "images/contact_on.gif", "images/grey_matters_off.jpg", "images/grey_matters_on.jpg",
"images/left_nav.gif", "images/links_off.gif", "images/links_on.gif", "images/right_nav.gif", "images/the_grey_area_off.gif", "images/the_grey_area_on.gif",
"images/what_we_do_off.gif", "images/what_we_do_on.gif", "images/h_testimonials.gif", "images/directions.gif", "images/view_all.gif", "images/read_more.gif",
"images/footer.gif", "images/header.jpg", "images/hero.jpg", "images/hero_sub.jpg", "images/hero_sub2.jpg", "images/richard3.jpg",
"images/meet_richard.gif", "images/view_all2.gif", "images/grey_matters_bg.gif", "images/testimonials_sub_bg.gif", "images/directions3.gif")