add: var tab = this.findViewTab(target); if (tab) tab.removeAttribute("dragover"); 
context: function vmgr_dragexit (event, session){    var target = this.findFloatingView(event.originalTarget);    if (target)    {        target.removeAttribute ("dragover");        target.proxyIcon.removeAttribute ("dragover");    }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0ce31a79343e29e27a5102a1ca9099fd6e804946/view-manager.js/clean/extensions/venkman/resources/content/view-manager.js