if (document.images) {

	btnStudentson = new Image ();
	btnStudentson.src = "http://pausd.org/images/btn_home_students_on.gif";
   
	btnStudentsoff = new Image();
	btnStudentsoff.src = "http://pausd.org/images/btn_home_students_off.gif";



	btnCommunityon = new Image ();
	btnCommunityon.src = "http://pausd.org/images/btn_home_community_on.gif";
   
	btnCommunityoff = new Image();
	btnCommunityoff.src = "http://pausd.org/images/btn_home_community_off.gif";



	btnParentson = new Image ();
	btnParentson.src = "http://pausd.org/images/btn_home_parents_on.gif";
   
	btnParentsoff = new Image();
	btnParentsoff.src = "http://pausd.org/images/btn_home_parents_off.gif";
	

}

function imgOn(imgName){
if (document.images) {
    document[imgName].src = eval(imgName + "on.src");
}
}

function imgOff(imgName){ 
if (document.images) {
    document[imgName].src = eval(imgName + "off.src");
}
}