function resaltar(e){var ele=Event.element(e);var tr=detectar_elemento(ele);if(tr!=null){var clase=tr.className;if(tr.className=="tr_out"){$(tr).removeClassName("tr_out");$(tr).addClassName("tr_over")}else if(tr.className=="tr_over"){$(tr).removeClassName("tr_over");$(tr).addClassName("tr_out")}var clase=tr.className;$("div_demo").update("clase: "+clase)}}function seleccionar_multiple(e){var ele=Event.element(e);var tr=detectar_elemento(ele);if(tr!=null){var clase=tr.className;if(tr.className=="tr_over"){$(tr).removeClassName("tr_over");$(tr).addClassName("tr_select")}else if(tr.className=="tr_select"){$(tr).removeClassName("tr_select");$(tr).addClassName("tr_over")}}}function seleccionar(e){var ele=Event.element(e);var tr=detectar_elemento(ele);if(tr!=null){var clase=tr.className;$("div_demo").update("clase: "+clase);if(clase=="tr_over"){$(tr).removeClassName("tr_over");$(tr).addClassName("tr_select")}else if(clase=="tr_select"){$(tr).removeClassName("tr_select");$(tr).addClassName("tr_over")}if(clase=="tr_over"||clase=="tr_select"){var tabla=$(tr).up("table");var indice=tr.rowIndex;deseleccionar(tabla,indice)}}}function deseleccionar(tabla,indice){var n_trs=tabla.rows.length;for(i=0;i<n_trs;i++){tr=tabla.rows[i];clase=tr.className;if(i!=indice){tr=tabla.rows[i];$(tr).removeClassName("tr_select");$(tr).removeClassName("tr_over");$(tr).addClassName("tr_out")}}}