function getElementByClassName(node,classname){
if(node.getElementByClassName){
return node.getElementByClassName(classname)
}else{
var results = new Array()
var elems = node.getElementsByTagName('*')
for (var i=0;i<elems.length;i++){
if(elems[i].className.indexOf(classname) != -1){
results[results.length]=elem[i]
}
}
return results
}
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