var asAbtNavFile=new Array("what_we_do","completed_projects","design_services","project_managemnt");		
var aiAbtNavH=new Array(26,22,22,22);
var aiAbtNav=new Array();
var aiAbtNavo=new Array();

for (var i=0 ; i<asAbtNavFile.length ; i++) {
	aiAbtNav[i]=new Image(173,aiAbtNavH[i]); 
	aiAbtNav[i].src="img/leftnav/whatwedo_main/"+asAbtNavFile[i]+"_off.gif";
	aiAbtNavo[i]=new Image(173,aiAbtNavH[i]); 
	aiAbtNavo[i].src="img/leftnav/whatwedo_main/"+asAbtNavFile[i]+"_on.gif";
}

function sOv(id,i) {
	var img=getImage(id);
	if (img) img.src=aiAbtNavo[i].src;
}
function sOut(id,i) {
	var img=getImage(id);
	if (img) img.src=aiAbtNav[i].src;
}