rem: document.onmousedown=AssetManager_documentMouseDown; 
add: var old = (document.onmousedown) ? document.onmousedown : function () {}; document.onmousedown= function () {old();AssetManager_documentMouseDown();}; 
context: function AssetManager_initializeDragEventHandlers() {    document.onmousedown=AssetManager_documentMouseDown;    document.onmouseup=AssetManager_documentMouseUp;    document.onmousemove=AssetManager_documentMouseMove;}
meta: 5314	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5314/469950a1ef2105174d98ff49d77a2bb59deb0497/assetManager.js/buggy/www/extras/assetManager/assetManager.js