function  gerar_form(){
	var objBody = document.getElementsByTagName("body").item(0);
	var objform = document.createElement("div");
	var objFundo = document.createElement("div");
	var objForm = document.createElement("div");
	//var objTitulo = document.createElement("div");
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();
	
	objFundo.setAttribute('id','form_fundo');
	objFundo.style.height = arrayPageSize[1]+'px';
	
	objform.setAttribute('id','my_janela');
	
	objForm.setAttribute('id','form');
	objForm.style.top = (arrayPageScroll[1]+70)+'px';
	objForm.style.left = ((arrayPageSize[0] - 20 - 600) / 2) + 'px';
	
	
	
	objform.appendChild(objFundo);
	objform.appendChild(objForm);
	
	objBody.insertBefore(objform, objBody.firstChild);
	//objBody.insertBefore(objform, objBody.firstChild);
	return objForm
}

function form_fechar(){
	//document.getElementById('my_form').style.display = 'none';
	var objBody = document.getElementsByTagName("body").item(0);
	var objform = document.getElementById('my_janela');
	
	select_ctrl(true);
	objform.innerHTML='';
	objBody.removeChild(objform);
	//window.location = 'index.php';
}


function my_form(titulo,src){
	var objform = document.getElementById('form');
	var texto;
	
	if(!objform){
		var objform = gerar_form();
	}
	select_ctrl(false);
	
	texto = '';
	texto += '<table id="titulo" width="100%" border="0" cellspacing="3" cellpadding="0">';
  	texto += '<tr><td>..::'+titulo+'::..</td>';
    texto += '<td width="60"><a href="javascript:form_fechar();">[ X ]</a></td></tr>';
	texto += '</table>';
    texto += '<iframe src="'+src+'" frameborder="0"></iframe>';
	
	objform.innerHTML = texto; 
	
}