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| function byId(id) { | |
| return document.getElementById(id); | |
| } | |
| function vote(node) { | |
| var v = node.id.split(/_/); // {'up', '123'} | |
| var item = v[1]; | |
| // hide arrows | |
| byId('up_' + item).style.visibility = 'hidden'; | |
| byId('down_' + item).style.visibility = 'hidden'; | |
| // ping server | |
| var ping = new Image(); | |
| ping.src = node.href; | |
| return false; // cancel browser nav | |
| } |