function click_info(index){
	var e=document.getElementById("tr_"+index);
	if(e.style.display=="none"){
		e.style.display="";
		document.getElementById("tr_"+index+"_1").style.display="";
		document.getElementById("tr_"+index+"_2").style.display="";
		document.getElementById("tr_"+index+"_3").style.display="";
	}else{
		e.style.display="none";
		document.getElementById("tr_"+index+"_1").style.display="none";
		document.getElementById("tr_"+index+"_2").style.display="none";
		document.getElementById("tr_"+index+"_3").style.display="none";
	}
}