function switchshowhide() {
<!-- Argument: IN div tags -->
var argv = switchshowhide.arguments; 
var argc = argv.length; 

//alert(document.getElementById('hideShow').style.visibility);
	if (document.getElementById) { // DOM3 = IE5, NS6
		for ( var i = 0; i < argc; i++ ) {
		if ( document.getElementById(argv[i]).style.visibility == 'visible') {
			document.getElementById(argv[i]).style.visibility = 'hidden';
			document.getElementById(argv[i]).style.display= 'none';
		}
		else {
			document.getElementById(argv[i]).style.visibility = 'visible'; 
			document.getElementById(argv[i]).style.display= 'block';
		}
		}//end for
	} else { 
		if (document.layers) { // Netscape 4 
			document.hideShow.visibility = 'visible'; 
		} else { // IE 4 
			document.all.hideShow.style.visibility = 'visible'; 
		} 
	} 
}