function GetParentWithTag( oStart, sTag ) {var oTag = oStart;while( (oTag.tagName.toUpperCase() != sTag) && (oTag != oTag.parentElement))oTag = oTag.parentElement;return oTag; }
function Exibe_Oculta() {event.returnValue = false;event.cancelBubble = true;var oAnchor = GetParentWithTag( event.srcElement, 'A' );var oImage  = oAnchor.children[0];if (oAnchor.EstadoAtual == '1') {oAnchor.EstadoAtual = '0';document.all[ oAnchor.ID_EstadoAtual ].style.display = 'none';}else{oAnchor.EstadoAtual = '1';document.all[ oAnchor.ID_EstadoAtual ].style.display = 'block';}}