function changecon(imgid,conid,num){
	document.getElementById("img_01").src="../images/resbt001b.gif";
	document.getElementById("img_02").src="../images/resbt002b.gif";
	document.getElementById("img_03").src="../images/resbt003b.gif";
	document.getElementById("img_04").src="../images/resbt004b.gif";
	document.getElementById("img_05").src="../images/resbt005b.gif";
	document.getElementById("img_06").src="../images/resbt006b.gif";
	document.getElementById("img_07").src="../images/resbt007b.gif";
	
	//document.getElementById("aimg_01").src="../images/resbt008b.gif";
	//document.getElementById("aimg_02").src="../images/resbt009b.gif";
	//document.getElementById("aimg_03").src="../images/resbt010b.gif";
	//document.getElementById("aimg_04").src="../images/resbt011b.gif";
	//document.getElementById("aimg_05").src="../images/resbt012b.gif";
	//document.getElementById("aimg_06").src="../images/resbt013b.gif";
	//document.getElementById("aimg_07").src="../images/resbt014b.gif";
	
	document.getElementById("con_01").style.display="none";
	document.getElementById("con_02").style.display="none";
	document.getElementById("con_03").style.display="none";
	document.getElementById("con_04").style.display="none";
	document.getElementById("con_05").style.display="none";
	document.getElementById("con_06").style.display="none";
	document.getElementById("con_07").style.display="none";
	
	document.getElementById(conid).style.display="block";
	document.getElementById(imgid).src="../images/resbt00"+num+"a.gif";
	num1=7+eval(num);
	if (eval(num)<=2){
		num1="resbt00"+num1;

		}
		else{
			num1="resbt0"+num1;
		}
	//document.getElementById("a"+imgid).src="../images/"+num1+"a.gif";
}