function turnoffall(){
	var tnames = new Array('tone','ttwo','tthree','tfour','tfive','tsix','tseven','teight','tnine','tten','televen','ttwelve','tthirteen','tfourteen','tfiveteen','tsixteen','tseventeen','teighteen','tnineteen')
	tcount=tnames.length
    for (var i=0;i<tcount;i++) {
		tn=tnames[i]
		document.getElementById(tn).className="hidden"
	}
	
}
function doturnon(table){
	turnoffall()
	document.getElementById(table).className=""
}
function storevals(table){
	document.getElementById('SV').value=(table)
}
function checkstate(){
	var state=document.getElementById('SV').value
	if(state!="xx"){
		turnoffall()
		document.getElementById(state).className=""
	}else{
		turnoffall()
	}
}