function fn1() { alert(1) } function fn2() {	alert(this) } function blind(obj,evname,fn) {	if(obj.attachEvent)	{		obj.attachEvent('on'+evname,function()			{				fn.call(obj);			}		);			}	else	{		obj.addEventListener(evname,fn,false);	} }; blind(document,'click',fn1);