function validate_nav() {
	if ((document.sVar.sContent.value == 0) || (document.sVar.sFunction.value == 0)) {	
		alert("Please select a content set and function before proceeding.");
	} else {
		switch (document.sVar.sContent.value) {
			case 'COM': parent.frames['top_frame'].document.currentSet.functionality.value = "COM";
					  break;
			case 'GOV': parent.frames['top_frame'].document.currentSet.functionality.value = "GOV";
					  break;
			case 'TRN': parent.frames['top_frame'].document.currentSet.functionality.value = "TRN";
					  break;
			case 'POL': parent.frames['top_frame'].document.currentSet.functionality.value = "POL";
					  break;
			case 'STX': parent.frames['top_frame'].document.currentSet.functionality.value = "STX";
					  break;
			case 'BLG': parent.frames['top_frame'].document.currentSet.functionality.value = "BLG";
					  break;
		}
	
		switch (document.sVar.sFunction.value) {
			case '1': parent.frames['content_frame'].document.location = "../searchIndex.asp?content=" + document.sVar.sContent.value;
					  break;
			case '2': parent.frames['content_frame'].document.location = "../watchIndex.asp?content=" + document.sVar.sContent.value;
					  break;
			case '3': parent.frames['content_frame'].document.location = "../documentIndex.asp?content=" + document.sVar.sContent.value;
					  break;
		}
	}
}

function makeDefault() {
	document.mDefaultForm.mail.value = parent.frames['top_frame'].document.getElementById("username_in").value;
	document.mDefaultForm.contentid.value = document.dummyNavForm.contentSelect.selectedIndex;
	document.mDefaultForm.functionid.value = document.dummyNavForm.functionSelect.selectedIndex;
	document.mDefaultForm.submit();
}