function abrir_modal(caption,pagex,iframeHeight,windowHeight) {
//if (windowHeight < 200) { iframeHeight = 200; }
var url = pagex+"?TB_iframe=true&height=400&width=600";
var imageGroup = null;
tb_show(caption, url, imageGroup);

}

function abrir_modal2(caption,pagex,iframeHeight,windowHeight) {
//if (windowHeight < 200) { iframeHeight = 200; }
var url = pagex+"?TB_iframe=true&height="+iframeHeight+"&width="+windowHeight;
var imageGroup = null;
tb_show(caption, url, imageGroup);

}