function abrir(){
	var url = "dev/desenvolvimento.html";
	jan = window.open(url,"dev","toolbar=0,scrollbars=0,status=0,width=450,height=300,resizable=0");
	if(parseInt(navigator.appVersion)>=4){
		jan.moveTo((window.screen.width-450)/2,(window.screen.height-300)/2);
	}
}