function city_func(e, t_div){		
	for (i=1; i<=3; i++){	
	document.getElementById("tab"+i).style.display = "none";
	document.getElementById("city"+ i ).className="";
	}				
	document.getElementById(t_div).style.display = "block";
	document.getElementById(e.id).className="psr";
	}
function srch_func(e, t_div){
	for (i=1; i<=3; i++){	
	document.getElementById("sinfo"+i).style.display = "none";
	document.getElementById("stab"+i).className="";	
	}				
	document.getElementById(t_div).style.display = "block";
	document.getElementById(e.id).className="active";
	}