// JavaScript Document

function ClassOne()
{
	document.getElementById('bas1').disabled = false ;
	document.getElementById('bas2').disabled = true ;
	document.getElementById('bas3').disabled = true ;
}

function ClassTwo()
{
	document.getElementById('bas1').disabled = true ;
	document.getElementById('bas2').disabled = false ;
	document.getElementById('bas3').disabled = true ;
}

function ClassThree()
{
	document.getElementById('bas3').disabled = false ;
	document.getElementById('bas1').disabled = true ;
	document.getElementById('bas2').disabled = true ;
}
/*--------------------------roll over background change function----------------------------*/
function MM_jumpMenu(targ,selObj,restore){ //v3.0
	eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	if (restore) selObj.selectedIndex=0;
	}