Internet Explorer: attachEvent("on"+type,function_name)

	FireFox          : addEventListener('click',function_name,false);

	Opera            : object.onclick = "function_name([par1,...])".

function oneFunction(someObject)
{
	if(someObject.attachEvent)
		someObject.attachEvent('onclick',myFunc);
	else if(someObject.addEventListener)
		someObject.addEventListener('click',myFunc,false);
	else someObject.onclick = "myFunc(this.name,this.checked,this.id)";
	...
}

function myFunc(cName,cCh,cId)
{
	if(cName.srcElement)
	{// IE
		cCh   = cName.srcElement.checked;
		cId   = cName.srcElement.id;
		cName = cName.srcElement.name;
	}
	else if (cName.target)
	{// Mozilla
		var el = cName.target;
		cCh    = el.checked;
		cId    = el.id;
		cName  = null;
		cName  = el.name;
	}
	// В Опере можно в установке события сразу указать все параметры
}