function hotelTab(tab,el){
	for(i=1;i<4;i++){
		ht='hotel_tab_'+i;
		at='at'+i;
		if (i==tab){
			document.getElementById(ht).style.visibility='visible';
			document.getElementById(ht).style.display='block';
			document.getElementById(at).className='current';
		}
		else{
			document.getElementById(at).className='';
			document.getElementById(ht).style.visibility='hidden';
			document.getElementById(ht).style.display='none';
		}
	}

}