if(document.images){
	nav_cl_wb_OFF = new Image();
	nav_cl_wb_OFF.src = "/img/nav_cl_wb_OFF.gif";
	nav_cl_wb_ON = new Image();
	nav_cl_wb_ON.src = "/img/nav_cl_wb_ON.gif";
		
	nav_cl_re_OFF = new Image();
	nav_cl_re_OFF.src = "/img/nav_cl_re_OFF.gif";
	nav_cl_re_ON = new Image();
	nav_cl_re_ON.src = "/img/nav_cl_re_ON.gif";
		
	nav_cl_ue_OFF = new Image();
	nav_cl_ue_OFF.src = "/img/nav_cl_ue_OFF.gif";
	nav_cl_ue_ON = new Image();
	nav_cl_ue_ON.src = "/img/nav_cl_ue_ON.gif";
		
	nav_cl_ub_OFF = new Image();
	nav_cl_ub_OFF.src = "/img/nav_cl_ub_OFF.gif";
	nav_cl_ub_ON = new Image();
	nav_cl_ub_ON.src = "/img/nav_cl_ub_ON.gif";
		
	nav_cl_gw_OFF = new Image();
	nav_cl_gw_OFF.src = "/img/nav_cl_gw_OFF.gif";
	nav_cl_gw_ON = new Image();
	nav_cl_gw_ON.src = "/img/nav_cl_gw_ON.gif";
		
	nav_cl_wj_OFF = new Image();
	nav_cl_wj_OFF.src = "/img/nav_cl_wj_OFF.gif";
	nav_cl_wj_ON = new Image();
	nav_cl_wj_ON.src = "/img/nav_cl_wj_ON.gif";
	
	//these two below, not in nav, but for view and post buttons found on individual clasifieds landing pages//
	nav_cl_view_OFF = new Image();
	nav_cl_view_OFF.src = "/img/nav_cl_view_OFF.gif";
	nav_cl_view_ON = new Image();
	nav_cl_view_ON.src = "/img/nav_cl_view_ON.gif";
	
	nav_cl_post_OFF = new Image();
	nav_cl_post_OFF.src = "/img/nav_cl_post_OFF.gif";
	nav_cl_post_ON = new Image();
	nav_cl_post_ON.src = "/img/nav_cl_post_ON.gif";
		
}
function rollOverOn(imgId,navId){
	imgOn = eval('nav_cl_' + navId + '_ON.src');
	document.getElementById(imgId).src = imgOn;
}
function rollOverOff(imgId,navId){
	imgOff = eval('nav_cl_' + navId + '_OFF.src');
	document.getElementById(imgId).src = imgOff;
}