// SWITCH TAB INTERFACE
function switchtab(tab) {

	if (tab == 'vectorcars') {
		document.getElementById("vectorcars").style.display = 'block';
		document.getElementById("websites").style.display = 'none';
		document.getElementById("3dmodels").style.display = 'none';

		document.getElementById("vectorcarsli").className = 'current';
		document.getElementById("websitesli").className = '';
		document.getElementById("3dmodelsli").className = '';

	} else if (tab == 'websites') {
		document.getElementById("vectorcars").style.display = 'none';
		document.getElementById("websites").style.display = 'block';
		document.getElementById("3dmodels").style.display = 'none';

		document.getElementById("vectorcarsli").className = '';
		document.getElementById("websitesli").className = 'current';
		document.getElementById("3dmodelsli").style.display = '';

	} else if (tab == '3dmodels') {
		document.getElementById("vectorcars").style.display = 'none';
		document.getElementById("websites").style.display = 'none';
		document.getElementById("3dmodels").style.display = 'block';

		document.getElementById("vectorcarsli").className = '';
		document.getElementById("websitesli").className = '';
		document.getElementById("3dmodelsli").className = 'current';

	}
}

// POP UP WINDOW
function popupwindow(file,key,widt,heit) {
	var popup;
	popup = window.open(file,key,'status=yes,scrollbars=yes,resizable=yes,width=' + widt + ',height=' + heit);
	popup.focus();

}