function turnoffall(){
	var tnames = new Array('tone','ttwo','tthree','tfour','tfive','tsix','tseven')
	tcount=tnames.length
    for (var i=0;i<tcount;i++) {
		tn=tnames[i]
		document.getElementById(tn).className="hidden"
	}
	
}
function doturnon(table,img,nsrc){
	turnoffall()
	imgsrc=('hww_buttons/' + nsrc + '_dn.gif')
	MM_swapImage(img,'',imgsrc,1)
	document.getElementById(table).className=""
}
function storevals(table,img,nsrc){
	document.getElementById('SV').value=(table+","+img+","+nsrc)
}
function checkstate(){
	var state=document.getElementById('SV').value
	if(state!="xx"){
		turnoffall()
		Cstate=state.split(",")
		imgsrc=('hww_buttons/' + Cstate[2] + '_dn.gif')
		MM_swapImage(Cstate[1],'',imgsrc,1)
		document.getElementById(Cstate[0]).className=""
	}
}