// ################################################################################################
// POP UP
// ################################################################################################

function popup (url,name,features)
{
	// Tamanho da janela
	var width = /width=(\d+)/i.exec(features);
	wwidth = width[1];
	var height = /height=(\d+)/i.exec(features);
	wheight = height[1];

	// Tamanho da tela
	swidth  = screen.availWidth;
	sheight = screen.availHeight;

	// Distância do topo esquerdo
	_left = parseInt((swidth / 2) - (wwidth / 2));
	_top = parseInt((sheight / 2) - (wheight / 2));

	features.replace("/top=\d+,?/","");
	features.replace("/left=\d+,?/","");

	features += ',top='+ _top +',left='+ _left;

	//Abre a Janela
	jan = window.open(url);
	jan.focus();
}