/***** ROLLOVER SENCILLO QE TE CAGAS *****/ //en la imagen --> onmouseover="this.src=Imagenes[0].src;" onmouseout="this.src=Imagenes[1].src;" //en onLoad de -->onLoad="Precargar('rutarelativa/imagen-ON', 'rutarelativa/imagen-OFF')" Imagenes = new Array(); function Precargar() { for (var i=0; i, aņadir el siguiente comportamiento: // onSubmit="return formCheck(this, 'mensaje', '\'campo-1\', \'campo-n\'', '\'Nombre-1\', \'Nombre-N\'' );"> //en el JS, function formCheck(formobj, mensaje, campos, nombresdecampo){ // name of mandatory fields var fieldRequired = eval("Array("+campos+")"); // field description to appear in the dialog box var fieldDescription = eval("Array("+nombresdecampo+")"); // dialog message var alertMsg = mensaje+"\n"; var l_Msg = alertMsg.length; for (var i = 0; i < fieldRequired.length; i++){ var obj = formobj.elements[fieldRequired[i]]; if (obj){ if (obj.type == null){ var blnchecked = false; for (var j = 0; j < obj.length; j++){ if (obj[j].checked){ blnchecked = true; } } if (!blnchecked){ alertMsg += " - " + fieldDescription[i] + "\n"; } continue; } switch(obj.type){ case "select-one": if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){ alertMsg += " - " + fieldDescription[i] + "\n"; } break; case "select-multiple": if (obj.selectedIndex == -1){ alertMsg += " - " + fieldDescription[i] + "\n"; } break; case "text": case "textarea": if (obj.value == "" || obj.value == null){ alertMsg += " - " + fieldDescription[i] + "\n"; } break; default: } } } if (alertMsg.length == l_Msg){ return true; }else{ alert(alertMsg); return false; } }