var nav = '';

function rollNav(navName, state) {
	if ( nav == '' )
		nav = document.getElementById('menupics');
	
	var navList = nav.getElementsByTagName('a');
	
	for( var i=0;i<navList.length;i++){
		if( navList[i].id == navName ) {
			if( state )
				navList[i].className = "hover";
			else
				navList[i].className = "";
		}
	}
	
}