function popUp(URL,width,height,win_name) {
	winpops=window.open(URL, win_name, "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=" + width + ",height=" + height + ",left =" + (screen.width/2 - width/2) + ",top = " + (screen.height/2 - height/2))
}
function abreBoleto(){
	popUp("boleto/explicacao_boleto.html",600,450,"webs");
}
function abreWeb(){
	popUp("litebox/clientes.html",600,450,"webs");
}
function abreFotos(){
	popUp("fotos.php",518,400,"fotos");
}
function abrePrint(){
	popUp("print.php",618,400,"print");
}
function abreDesenhos(){
	popUp("dzenhos.php",518,400,"dzenhos");
}
function abrePerfil(){
	popUp("about.php",518,400,"perfil");
}
function abreSistemas(){
	popUp("sistemas.php",518,400,"sistemas");
}
function trocaTema(url){
	document.location = url;
}