I want to implement javascript code dynamically but i am un able to. RegisterClientScriptBlock is not working
my java script code is

<script type="text/javascript">
var dynimages=new Array()
dynimages[0]=["photo1.jpg", "http://www.cnn.com"]
dynimages[1]=["photo2.jpg", "http://www.yahoo.com"]
dynimages[2]=["photo3.jpg", "http://www.google.com"]
var preloadimg="no"
var optlinktarget=""
var imgborderwidth=0
var filterstring="progidXImageTransform.Microsoft.GradientWipe(GradientSize=1.0 Duration=0.7)"
if (preloadimg=="yes"){
for (x=0; x<dynimages.length; x++){
var myimage=new Image()
myimage.src=dynimages[x][0]
}
}
function returnimgcode(theimg){
var imghtml=""
if (theimg[1]!="")
imghtml='<a href="'+theimg[1]+'" target="'+optlinktarget+'">'
imghtml+='<img src="'+theimg[0]+'" border="'+imgborderwidth+'">'
if (theimg[1]!="")
imghtml+='</a>'
return imghtml
}
function modifyimage(loadarea, imgindex){
if (document.getElementById){
var imgobj=document.getElementById(loadarea)
if (imgobj.filters && window.createPopup){
imgobj.style.filter=filterstring
imgobj.filters[0].Apply()
}
imgobj.innerHTML=returnimgcode(dynimages[imgindex])
if (imgobj.filters && window.createPopup)
imgobj.filters[0].Play()
return false
}
}
</script>
what i am trying to do is to create the array dynamically.Please help me what should i do