// Determine browser
var isMinIE5 = (navigator.appVersion.indexOf("5.")) >= 0 ? 1 : 0;
var isDOM = (document.getElementById) ? 1 : 0;
	
// Show and hide layer
if (document.layers) {
  var hidden = "hide";
  var visible = "show";
} else {
  var hidden = "hidden";
  var visible = "visible";
}
function changeLayer(objId,state) {
	if (isMinIE5||isDOM) {
		document.getElementById(objId).style.visibility = state;
		
	} else if (document.layers){
		document.layers[objId].visibility = state;
	}
}

// Alter color of text elements
function changeColor(objId,color) {
	if (isMinIE5||isDOM) {
		document.getElementById(objId).style.background=color;
	} else {
		return;
	}
}