function escapetextareas() {
	for (f=0; f<document.forms.length; f++){
		for (i=0; i<document.forms[f].elements.length; i++){ 
			if (document.forms[f].elements[i].type == "textarea") {
				document.forms[f].elements[i].value = escape(document.forms[f].elements[i].value);
			}
		}
	}	
}