//  Browser check

	if (navigator.appName.indexOf('Microsoft') >= 0 && navigator.appVersion.indexOf('3.') >=0) {

		okbrowser = false;

		}

	else {

		okbrowser = true;

		}

	//  Load images

	imag = new Array();

			imag[0]="./img/nav_news_1.gif";

			imag[1]="./img/nav_news_2.gif";

			imag[2]="./img/nav_parents_1.gif";

			imag[3]="./img/nav_parents_2.gif";

			imag[4]="./img/nav_plans_1.gif";

			imag[5]="./img/nav_plans_2.gif";

			imag[6]="./img/nav_resources_1.gif";

			imag[7]="./img/nav_resources_2.gif";

			imag[8]="./img/nav_who_1.gif";

			imag[9]="./img/nav_who_2.gif";

			imag[10]="./img/nav_whyRESP_1.gif";

			imag[11]="./img/nav_whyRESP_2.gif";

			imag[12]="./img/nav_whyUSC_1.gif";

			imag[13]="./img/nav_whyUSC_2.gif";

	

	im = new Array()

	if(document.images) {

		for (var i = 0; i < imag.length; i++) {

			im[i] = new Image();

			im[i].src = imag[i];

			}

		}

//  Mouseover functions

function on(s) {

	if (okbrowser) {

		document.images[s].src= "./img/nav_" + s + "_1.gif";

		}

	}



function off(s) {

	if (okbrowser) {

		document.images[s].src= "./img/nav_" + s + "_0.gif";

		}

	}



function menuOn(s) {

	if (okbrowser) {

		document.images[s].src= "./img/menu_" + s + "_1.gif";

		}

	}



function menuOff(s) {

	if (okbrowser) {

		document.images[s].src= "./img/menu_" + s + "_0.gif";

		}

	}