try {
	for(i=0;i<=4;i++)
	{
		if(tabx[i]==1) { 
			document.getElementById('tab_'+String.fromCharCode(97+i)).style.display="none";
			document.getElementById('tab_'+String.fromCharCode(97+i)+'x').style.backgroundImage = "url('"+tabcolor+"')"; 
		}
	}
}
catch(Exception) {
	
}