var totalNum = 4;
function ShowDiv(d) {
if (document.getElementById("block_"+d).style.display == "block") {
document.getElementById("block_"+d).style.display = "none";
document.getElementById("title_"+d).style.color = "#8c8c8c";
} else {
for (i=1;i<=totalNum;i++) {
document.getElementById("block_"+i).style.display = "none";
document.getElementById("title_"+i).style.color = "#8c8c8c";
}
document.getElementById("block_"+d).style.display = "block";
document.getElementById("title_"+d).style.color = "#efefef";
}
}
function CloseAllDiv(){
for (i=1;i<=totalNum;i++) {
document.getElementById("block_"+i).style.display = "none";
document.getElementById("title_"+i).style.color = "#8c8c8c";
}
}