var images=["imgs_hmenu/estudiar.gif","imgs_hmenu/facultad.gif","imgs_hmenu/extension.gif","imgs_hmenu/investigacion.gif","imgs_hmenu/servicios.gif","imgs_hmenu/inicio.gif","imgs_hmenu/runo.gif","imgs_hmenu/rdos.gif","imgs_hmenu/rtres.gif","imgs_hmenu/rcuatro.gif", "imgs_hmenu/final.gif"];
var names=["Image1","Image2","Image3","Image4","Image5","Image6","Image7","Image8","Image9","Image10","Image11"];

function putImg(imgsrc,nameimg){

	getObject(nameimg).src=imgsrc;
	
};

function ReplaceImg(imgsrc,nameimg){

	var i;
	for (i=0;i<names.length;i++)
		if (names[i]!=nameimg)
			putImg(images[i],names[i]);
		else
			putImg(imgsrc,nameimg);
	
};

function changeClass(thing){
						
	switch (thing.className){
		case "asignaturas":
		case "admisiones":
		case "gente":
		case "presentacion":
		case "actividades":
			thing.className+='On';
		break;	
	}
	
};

function restoreClass(thing){
	
	var cl=thing.className;
	switch (cl){
		case "asignaturasOn":
		case "admisionesOn":
		case "genteOn":
		case "presentacionOn":
		case "actividadesOn":
			thing.className=cl.substr(0,cl.length-2);
		break;
	}
};