// JavaScript Document
function tabit(tabName,btnId,tabNumber,btnClass){
	for(i=0;i<tabNumber;i++){
		document.getElementById(tabName+"_div"+i).style.display = "none";
		document.getElementById(tabName+"_btn"+i).className = btnClass+"off";
		}
	document.getElementById(tabName+"_div"+btnId).style.display = "block";
	document.getElementById(tabName+"_btn"+btnId).className = btnClass+"on";
	}