function hideElement(elementId){
	this.id = elementId;
	this.layerObj = (document.getElementById ? document.getElementById(this.id) : document.all ? document.all[this.id] : document.layers[this.id]);
	this.styleObj = (document.getElementById ? this.layerObj.style : document.all ? this.layerObj.style : this.layerObj);
	this.styleObj.display = "none";
}
function showElement(elementId){
	this.id = elementId;
	this.layerObj = (document.getElementById ? document.getElementById(this.id) : document.all ? document.all[this.id] : document.layers[this.id]);
	this.styleObj = (document.getElementById ? this.layerObj.style : document.all ? this.layerObj.style : this.layerObj);
	this.styleObj.display = "block";
}