//<![CDATA[
function tabit(tabName,btnId,tabNumber,styleName){
		for(i=0;i<tabNumber;i++){
			document.getElementById(tabName+"_div"+i).style.display = "none";
			document.getElementById(tabName+"_btn"+i).className = styleName+"_b";
		};
		document.getElementById(tabName+"_div"+btnId).style.display = "";
		document.getElementById(tabName+"_btn"+btnId).className = styleName+"_a";
	};
//]]>