getElement = function(id)
{
	if(document.getElementById){
		getElement = function(id){ return document.getElementById(id); }
	}else if(document.all){
		getElement = function(id){ return document.all[id]; };
	}else if(document.layers){
		getElement = function(id){ return document.layers[id]; };
	}else{
		getElement = function() { return null; }
	}
	return getElement(id);
}