function changeBG(id, color)
 {
 document.getElementById(id).style.backgroundColor = "#" + color;
 }

 function changeNav(id, color, fcolor)
 {
 var arr = new Array("cebg");
 for(i = 0; i < arr.length; ++i)
 document.getElementById(arr[i] + id).style.backgroundColor = "#" + color;
 
 if(fcolor != "0")
 document.getElementById("fcolor" + id).style.color = "#" + fcolor;
 }

 function openWin(url)
 {
 window.open(url, "win", "top=20, left=20, width=660, height=420, scrollbars=1, resizable=1");
 }