JavaScript Image map not working (Generated HTML works)

I used JavaScript to add image maps. But the links don't work. However, if I view the generated HTML in IE Developer Tools (View-DOM Page), then copy the that HTML back into the page, the image map does work. I have this script at the end of the page within the body tag. I don't have access to change the body tags.

var newDiv = document.getElementById('Graph2');
var br = document.createElement("br");

//If area is from the Legend
if (area.type == "chartElement") { 
var ctx = area.ctx;

var myMap  = document.createElement("map");
myMap.id = ("mapitem"+String(j));
myMap.className = "chart_map"; 
myMap.lid="rsvptt0";

var myArea = document.createElement("area");
myArea.className = "dl chart_area"; 
myArea.lid="legendLabel";
myArea.shape="RECT";
myArea.coords="0, 0, 20, 20";
myArea.title=img.children[j].title;
myArea.ctx=img.children[j].ctx;
myArea.href="#";
myMap.appendChild(myArea);

newDiv.appendChild(myMap);

var myImage  = document.createElement("img");
myImage.name = "imageitem"+String(j);

my开发者_运维技巧Image.style.color ="#000000";
myImage.style.backgroundColor ="#E3D9B3";
myImage.style.border ="1pt solid #000000";
myImage.style.paddingLeft ="0px";
myImage.style.paddingTop ="0px";
myImage.style.paddingRight ="0px";
myImage.style.paddingBottom ="0px";
myImage.style.backgroundColor ="transparent";

myImage.lid="Combination Chart11";
myImage.src="../samples/images/green.jpg";
myImage.usemap="#mapitem"+String(j);
myImage.border="0" ;
newDiv.appendChild(myImage);
newDiv.appendChild(br);

Generated HTML works fine:

<MAP id="mapitem21" class="chart_map" lid="rsvptt0"><AREA class="dl chart_area" title="Fiscal Year = 2010" href="#" shape="RECT" coords="0,0,20,20" ctx="10::1::3" lid="legendLabel" />
</MAP>


<IMG style="BORDER-BOTTOM: #000000 1pt solid; BORDER-LEFT: #000000 1pt solid; PADDING-BOTTOM: 0px; BACKGROUND-COLOR: transparent; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; COLOR: #000000; BORDER-TOP: #000000 1pt solid; BORDER-RIGHT: #000000 1pt solid; PADDING-TOP: 0px" border="0" src="http://{ipremoved}/cognos8/samples/images/green.jpg" width="14" height="14" lid="Combination Chart11" usemap="#mapitem21" />
<BR />

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You're setting myArea.href="#", which should just force a reload of the page -- just put a URL in there instead of #, no?