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javascript+Css+div_html/css

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html:



var oldmenu = 1;
function changeTD(tdIndex)
{
td = document.getElementById("td" + tdIndex);
a = document.getElementById("a" + tdIndex);
content = document.getElementById("content" + tdIndex);
if(oldmenu!=0){
tdx = document.getElementById("td" + oldmenu);
ax = document.getElementById("a" + oldmenu);
contentx = document.getElementById("content" + oldmenu);
tdx.className = "hidden";
ax.className = "nav2_link";
contentx.className = "hiddencontent";
}
td.className = "active";
a.className = "nav1_link";
content.className = "activecontent";
oldmenu = tdIndex;
}












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style.css:

.active {
BACKGROUND-IMAGE: url(../images/pic01.jpg)
}
.hidden {
BACKGROUND-IMAGE: url(../images/menu_bg2.jpg)
}
.activecontent {

}
.hiddencontent {
DISPLAY: none
}

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