function tabClick(i){
	var tabs=3;
	var n=i
	//n *=1;
	for(var j=1;j<=tabs;j++){
		if(n!=j){
			document.getElementById("tab"+j).className='';
			document.getElementById("tab_body"+j).style.display="none";
		}else{
			document.getElementById("tab"+j).className='tabactive';
			document.getElementById("tab_body"+j).style.display="block";
			document.getElementById("tab_body"+j).style.visibility="visible";
			
		}
	}
}