// JavaScript Document
function tab_img_change(t){
	   for(var i = 1; i <= 2; i++) {
		 img = document.getElementById('tab_bbs'+i);
		 img.src = "images/tab"+i+"_off.gif";   
		  eval("document.getElementById('tab_view"+i+"')").style.display="none";

		 if ( t == i ) {
		  img.src = "images/tab"+i+"_on.gif"; 
		  eval("document.getElementById('tab_view"+i+"')").style.display="";
		 }         
	   }     
	}