//cross browser DHTML code 

function getObj(name) {
	if (document.getElementById) {
	    if (document.getElementById(name) != null) {
        this.obj = document.getElementById(name);
		this.style = document.getElementById(name).style;
		} else {
		    this.obj = null;
		    this.style = null;
		}
	}
	else if (document.all) {
		this.obj = document.all[name];
		this.style = document.all[name].style;
	}
	else if (document.layers) {
        this.obj = document.layers[name];
        this.style = document.layers[name];
	}
}