function GlobalValidator(frm) {
	for (i=0;i<frm.elements.length;++i) {
		ctlname=frm.elements[i].name;		
		if (ctlname=="last_name"||ctlname=="description") {
			v=frm.elements[i].value;
			re=/'/g;
			v=v.replace(re,"´");
			re=/&/g;
			v=v.replace(re,"and");
			re=/\\/g;
			v=v.replace(re,"-");
			frm.elements[i].value=v;
		}		
	}
}