var currentSet="";
var defaultPage="tab1";
c4theme_unsorted = Math.round(Math.random()*4);
c4theme = (c4theme_unsorted==0)?1:c4theme_unsorted;
c4theme = (c4theme>3)?3:c4theme;
//c4theme=3;
// called from onload handler in Body to set theme		
function setScheme() {
	(!c4theme)?c4theme=1:c4theme;
	currentSet="c4lbackdrop"+c4theme;
	
}
setScheme();

// highlight tabs
function pageChanger(e) {
document.getElementById(defaultPage).className="tab";
e.className = "tabon";
defaultPage=e.id;
}

// called from onload handler in iframe
function setc4colour() {

	if (window.c4landextras) {
	window.c4landextras.document.getElementById('framepage').className="c4scheme"+c4theme;
} 
}