/*

	dom checker

*/

dom = (document.getElementById)? true : false;

ie4 = (document.all)? true : false;

ns6= (dom && !ie4)? true : false;

ns4 = (document.layers)? true:false;



function toggleDisplay(obj1Name, obj2Name) {

	/*

		function to show and hide the signin and signout ids 

		made for the GCCI login bar

	*/

	

	// get the object

	objSignin = getObject(obj1Name);

	objSignout = getObject(obj2Name);

	

	if (objSignout.style.display == 'none') {

		// show the singout

		objSignout.style.display = 'block';

		objSignin.style.display = 'none';

	} else {

		// show the singin

		objSignout.style.display = 'none';

		objSignin.style.display = 'block';

	}

}






function getObject(oID) {

	/*

		function that returns the element based on the browser

		capitalities - ns4 will return null if the obj doesn't exist

	*/

	if (dom) {

		obj = document.getElementById(oID);

	} else if (ie4) {

		obj = document.all(oID);

	} else if (ns4) {

		obj = document.layers(oID);

		if (!obj)

			return null;

	}

	return obj;

}