function listElements() {
 gMAG = document.getElementById("mag");
 gC00 = document.getElementById("cbe0");
 gC01 = document.getElementById("cbe1");
 gC02 = document.getElementById("cbe2");
 gC03 = document.getElementById("cbe3");
 gC04 = document.getElementById("cbe4");
 gC05 = document.getElementById("cbe5");
 gC06 = document.getElementById("cbe6");
 gC07 = document.getElementById("cbe7");
 gC10 = document.getElementById("cbe10");
 gC11 = document.getElementById("cbe11");
 gC12 = document.getElementById("cbe12");
 gC13 = document.getElementById("cbe13");
 gC14 = document.getElementById("cbe14");
 gC15 = document.getElementById("cbe15");
 gC16 = document.getElementById("cbe16");
 gC17 = document.getElementById("cbe17");
 gC18 = document.getElementById("cbe18");
 gC19 = document.getElementById("cbe19");
 gA10 = document.getElementById("a10");
}
function printPreview() {
 document.getElementsByTagName("link")[0].disabled=true;
 document.getElementsByTagName("link")[1].disabled=true;
 document.getElementsByTagName("link")[2].disabled=false;
 document.getElementsByTagName("link")[3].disabled=false;
 gC00.style.visibility="hidden";
 gC11.style.visibility="hidden";
 gC12.style.visibility="hidden";
 gC13.style.visibility="hidden";
 gC14.style.visibility="hidden";
 gC15.style.visibility="hidden";
 gC16.style.visibility="hidden";
 gC17.style.visibility="hidden";
 gC18.style.visibility="hidden";
 gC19.style.visibility="hidden";
}
function printPreview2() {
 document.getElementsByTagName("link")[0].disabled=true;
 document.getElementsByTagName("link")[1].disabled=true;
 document.getElementsByTagName("link")[2].disabled=false;
 document.getElementsByTagName("link")[4].disabled=false;
 gC00.style.visibility="hidden";
 gC01.style.visibility="hidden";
 gC02.style.visibility="hidden";
 gC03.style.visibility="hidden";
 gC04.style.visibility="hidden";
 gC05.style.visibility="hidden";
 gC06.style.visibility="hidden";
 gC07.style.visibility="hidden";
}
function hideElements() {
 gC00.style.visibility="hidden";
 gC01.style.visibility="hidden";
 gC02.style.visibility="hidden";
 gC03.style.visibility="hidden";
 gC04.style.visibility="hidden";
 gC05.style.visibility="hidden";
 gC06.style.visibility="hidden";
 gC07.style.visibility="hidden";
 gC10.style.visibility="hidden";
 gC11.style.visibility="hidden";
 gC12.style.visibility="hidden";
 gC13.style.visibility="hidden";
 gC14.style.visibility="hidden";
 gC15.style.visibility="hidden";
 gC16.style.visibility="hidden";
 gC17.style.visibility="hidden";
 gC18.style.visibility="hidden";
 gC19.style.visibility="hidden";
}
function changeLayer(n) {
 document.getElementsByTagName("link")[1].disabled=true;
 hideElements();
 document.getElementById("cbe"+n).style.visibility="inherit";
}
function returnLayer(n) {
 document.getElementsByTagName("link")[1].disabled=false;
 hideElements();
 document.getElementById("cbe"+n).style.visibility="inherit";
 gC01.style.visibility="visible";
 gC02.style.visibility="visible";
 gC03.style.visibility="visible";
 gC04.style.visibility="visible";
 gC05.style.visibility="visible";
 gC06.style.visibility="visible";
 gC07.style.visibility="visible";
 gC11.style.visibility="visible";
 gC12.style.visibility="visible";
 gC13.style.visibility="visible";
 gC14.style.visibility="visible";
 gC15.style.visibility="visible";
 gC16.style.visibility="visible";
 gC17.style.visibility="visible";
 gC18.style.visibility="visible";
 gC19.style.visibility="visible";
}
function containMenus() {
 gA10.onclick = function() {gC10.style.zIndex="7";}
}