function getObj(name) {
	if (document.getElementById) {
		if(document.getElementById(name)) {
			this.obj = document.getElementById(name);
			this.style = document.getElementById(name).style;
		}
	}
	else if (document.all) {
		if(document.all[name]) {
			this.obj = document.all[name];
			this.style = document.all[name].style;
		}
	}
	else if (document.layers) {
		if (document.layers[name]) {
			this.obj = document.layers[name];
			this.style = document.layers[name];
		}
	}
}
// showHide
function showHide(containerId) {
	if ( !containerId ) return;
	
	oContainer = new getObj(containerId);
	if ( !oContainer ) return;
	sDisplay = oContainer.obj.style.display;
	if ( sDisplay != 'block' ){ 
		oContainer.obj.style.display = 'block';
	
	}
	else if ( sDisplay = 'block' ){
		oContainer.obj.style.display = 'none';
	
	}
}