_save.onclick=new Function("alert('testabc')");
_save.onclick=new function(){return function(){alert('testabc')};};
_save.onclick=function(){return function(){alert('testabc');};}();
_save.onclick=new Function("alert('testabc')");
_save.onclick=new function(){return function(){alert('testabc')};};
_save.onclick=function(){return function(){alert('testabc');};}();