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function format_block( startNode, element_name, preserve ) {
var nodeContent = startNode.innerHTML;
// Because people will moan like hell if these are left in
nodeContent = nodeContent.replace( /xmlns=\"http:\/\/www\.w3\.org\/1999\/xhtml\"/g, "" );
// Create a new tag with the desired name.
var newBlock = document.createElement( element_name, "http://www.w3.org/1999/xhtml" );
if (preserve) {
// Copy over all the attributes from the old block-level tag.
var arrAttr = startNode.attributes;
for(var j = 0; j < arrAttr.length; j++) {
if(arrAttr[j].value != "" && arrAttr[j].value != "null") {
var a = arrAttr[j].nodeName.toLowerCase();
var v = arrAttr[j].nodeValue;
switch(a) {
case "class":
newBlock.className = v;
break;
case "style":
newBlock.style.cssText = v;
break;
default:
newBlock.setAttribute( a, v );
break;
}
}
}
}
// Inject the content from the old tag and replace the node.
newBlock.innerHTML = nodeContent;
return newBlock;
};
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