var d, n;
img_on =new Image();
img_off=new Image();


function init(n){  
      img_on.src="img/c"+n+"_1.gif";         
      img_off.src="img/c"+n+"_0.gif";

}
function handleOver(t) {
 if (document.images) document.images["N"+t].src=img_on.src;
        
}

function out_1 (d){
      document.images["N"+d].src=img_off.src;
}
///////////////////////