if (document.images) {
 var imgPath = "images/"
 	var ht1 = new Image; ht1.src = imgPath + "btn_ht_more_info.gif";
 	var ht0 = new Image; ht0.src = imgPath + "btn_more_info.gif";
 	var hp1 = new Image; hp1.src = imgPath + "btn_hp_more_info.gif";
 	var hp0 = new Image; hp0.src = imgPath + "btn_more_info.gif";
   	var hs1 = new Image; hs1.src = imgPath + "btn_hs_more_info.gif";
 	var hs0 = new Image; hs0.src = imgPath + "btn_more_info.gif";
	
	var nt1 = new Image; nt1.src = imgPath + "n_teacher_on.jpg";
 	var nt0 = new Image; nt0.src = imgPath + "n_teacher.jpg";
	var np1 = new Image; np1.src = imgPath + "n_parent_on.jpg";
 	var np0 = new Image; np0.src = imgPath + "n_parent.jpg";
	var ns1 = new Image; ns1.src = imgPath + "n_student_on.jpg";
 	var ns0 = new Image; ns0.src = imgPath + "n_student.jpg";
	var no1 = new Image; no1.src = imgPath + "n_one_on.jpg";
 	var no0 = new Image; no0.src = imgPath + "n_one.jpg";
	var nco1 = new Image; nco1.src = imgPath + "n_comp_on.jpg";
 	var nco0 = new Image; nco0.src = imgPath + "n_comp.jpg";
	var nc1 = new Image; nc1.src = imgPath + "n_career_on.jpg";
 	var nc0 = new Image; nc0.src = imgPath + "n_career.jpg";
	var na1 = new Image; na1.src = imgPath + "n_about_on.jpg";
 	var na0 = new Image; na0.src = imgPath + "n_about.jpg"	
	
}

//**************************************************************//

function doRollover(imgName, onOff) {
	if (document.images) {
	var targetObj = eval(imgName+onOff);
		if (document.images[imgName] != null && targetObj != null) {
		document.images[imgName].src = targetObj.src;
		}
	}
}