add: return null; 
context: Yukon.getBestMoveForCard = function(card) {  for(var i = 0; i < 7; i++) {    var stack = this.stacks[i];    if(stack!=card.parentNode && stack.hasChildNodes() && this.canMoveTo(card,stack)) return stack;  }  for(var i = 0; i < 7; i++) {    var stack = this.stacks[i];    if(stack!=card.parentNode && this.canMoveTo(card,stack)) return stack;  }};
meta: 3385	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3385/2992d7bb8677e70fdb70cf041bc99415e05234f1/yukon.js/buggy/yukon.js