var InternetExplorer = navigator.appName.indexOf("Microsoft") != -1;

function openW(mypage,myname,w,h,features) {
	if(screen.width){
		var winl = (screen.width-w)/2;
		var wint = (screen.height-h)/2;
	}
	else{
		winl = 0;wint =0;
	}
	if (winl < 0) winl = 0;
	if (wint < 0) wint = 0;
	var settings = 'height=' + h + ',';
	settings += 'width=' + w + ',';
	settings += 'top=' + wint + ',';
	settings += 'left=' + winl + ',';
	settings += features;
	win = window.open(mypage,myname,settings);
	win.window.focus();
}

function principal_DoFSCommand(command, args) {
	var principalObj = InternetExplorer ? principal : document.moz_principal;
	if (command == "abrir"){
		openW("/comandes.htm","Comandes/Pedidos/Orders",700,400,"scrollbars");
	}
}