// preload navigation images:

        if (document.images) {

		plcabout_on = new Image();
                plcabout_on.src = "images/plcabout_on.gif";
                plcabout_off = new Image();
                plcabout_off.src = "images/plcabout_off.gif";
                
                plcclients_on = new Image();
		plcclients_on.src = "images/plcclients_on.gif";
		plcclients_off = new Image();
                plcclients_off.src = "images/plcclients_off.gif";
                
                plcpress_on = new Image();
		plcpress_on.src = "images/plcpress_on.gif";
		plcpress_off = new Image();
                plcpress_off.src = "images/plcpress_off.gif";
                
                plcinvestor_on = new Image();
		plcinvestor_on.src = "images/plcinvestor_on.gif";
		plcinvestor_off = new Image();
                plcinvestor_off.src = "images/plcinvestor_off.gif";
                
		plccareers_on = new Image();
		plccareers_on.src = "images/plccareers_on.gif";
		plccareers_off = new Image();
		plccareers_off.src = "images/plccareers_off.gif";
		
		plccontact_on = new Image();
		plccontact_on.src = "images/plccontact_on.gif";
		plccontact_off = new Image();
		plccontact_off.src = "images/plccontact_off.gif";
		
		csarrow_on = new Image();
		csarrow_on.src = "images/csarrow_on.gif";
		csarrow_off = new Image();
		csarrow_off.src = "images/csarrow_off.gif";
		
		csarrow_left_on = new Image();
		csarrow_left_on.src = "images/csarrow_left_on.gif";
		csarrow_left_off = new Image();
		csarrow_left_off.src = "images/csarrow_left_off.gif";

              
                
}
                        
function hiLite(imgID,changeID) {
                        
        if (document.images) {
        document.images[imgID].src = eval(changeID + ".src");
        return true;
        }
}



//dropdown menu js for Internet Explorer
sfHover = function() {
	var sfEls = document.getElementById("nav");
	if(!sfEls) return false;
    sfEls = sfEls.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);

function hideSelectBox(){
    document.getElementById('quickLinks').style.visibility = 'hidden';
}
function showSelectBox(){
    document.getElementById('quickLinks').style.visibility = 'visible';
}