rem: return Element.findFirstMatchingChild(element, function(element){return element.id==id} ); 
add: return elementFindFirstMatchingChild(element, function(element){return element.id==id} ); 
context:   return Element.findFirstMatchingChild(element, function(element){return element.id==id} );
meta: 3175	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3175/697a29d268d2448c4391184afe752f6497773118/find_matching_child.js/clean/code/javascript/core/scripts/find_matching_child.js