function activateNavSet(itemSetId) {
	var navTab = $(itemSetId + "Tab");
	var navSet = $(itemSetId);
	if(navTab && navTab.className != 'tabSelected') {
		if (navSet != null) {
			navSet.style.zIndex = 10;
			var deactivated = deactivateNavSet();
			if(navSet.style.position == 'absolute') navSet.relativize();
			if(deactivated) {
				new Effect.Appear(navSet);
			} else {
				navSet.show();
			}
		}
		navTab.className = 'tabSelected';
	}
}

function deactivateNavSet() {
	var deactivated = 0;
	$$('ul.navigationTab li a.tabSelected').each(function(navTab) {
		var navSetId = navTab.id.sub(/Tab$/, '');
		var navSet = $(navSetId);
		if(navTab != null && navTab.className == 'tabSelected') {
			if (navSet != null) {
				navSet.style.zIndex = 9;
				navSet.absolutize();
				new Effect.Fade(navSet);
				deactivated++;
			}
			navTab.className = '';
		}
	});
	return deactivated;
}


//Shows and hides form tooltip text for form fields.
function formtooltip(field, showflag){
	var tipelement = document.getElementById(field);
	if(showflag && tipelement) tipelement.style.visibility = 'visible';
	else if(tipelement) tipelement.style.visibility = 'hidden';
}

// Set all checkbox states for a column. Works with tablebuilder.tpl code...
function setAllCheckboxes(colName, checkedState, thisForm) {

	for (z = 0; z < thisForm.elements.length; z++) {
			if (thisForm.elements[z].name.indexOf(colName) > -1) {
				thisForm.elements[z].checked = checkedState;
			}
	}
}

// Verify that at least one checkbox has been selected in a form.

function verifyCheckboxSelection(thisForm, thisAction) {
	for (z = 0; z < thisForm.elements.length; z++) {
		if (thisForm.elements[z].checked) return true;
	}
	confirm("You must select at least one item in order to " + thisAction + ".");
	return false;
}

// Ask user are you sure?
function confirmDelete( e, type) {
	var msg = "Are you sure you wish to delete the "+type.toString()+"?";
	var confirmed = confirm( msg ) ;

	if( confirmed ) {
		return true ;
	}
	return false ;
}

// disable all buttons in a form

function submitOnce(theform) {

	if ( document.all || document.getElementById ) {
		//screen thru every element in the form, and disable all the buttons
		for (i=0;i<theform.length;i++){
			var tempobj=theform.elements[i]
			if( tempobj.type.toLowerCase() == "submit" || tempobj.type.toLowerCase() == "reset" || tempobj.type.toLowerCase() == "button" ) {

				tempobj.disabled=true
			}
		}
	}
}

function copyToHidden( thisElement ) {
	var thisForm = thisElement.form ;

	var replacementInput = document.createElement( "input" ) ;
	replacementInput.name = thisElement.name ;
	replacementInput.value = thisElement.value ;
	replacementInput.type = "hidden" ;

	thisForm.appendChild( replacementInput ) ;

}


// Change state of a form image button

function setButtonState( buttonId, buttonEnabled, imgSrc, cursorType ) {
	var theButton = document.getElementById( buttonId ); // this text was inside the getElementById()---> Username (E-mail Address)*) ;
	theButton.disabled = !buttonEnabled ;
	theButton.src = imgSrc ;
	return ;
}

function submitToPopup (thisFrm, windowName, submitViaScript) {
	window.open('', windowName, 'titlebar=no,status=no,toolbar=no,menubar=no,scrollbars=yes,resizable=yes') ;
	thisFrm.target = windowName ;
	if (submitViaScript) thisFrm.submit() ;
}

function redirectOpener(thisURL, closeMe) {
	opener.location = thisURL ;
	if (closeMe) self.close();
}

function closeDiv(thisDivID) {
	thisDiv = document.getElementById(thisDivID);
	thisDiv.style.display = 'none';
}

function Hash() {
	this.length = 0;
	this.items = new Array();
	for (var i = 0; i < arguments.length; i += 2) {
		if (typeof(arguments[i + 1]) != 'undefined') {
			this.items[arguments[i]] = arguments[i + 1];
			this.length++;
		}
	}

	this.removeItem = function(in_key) {
		var tmp_value;
		if (typeof(this.items[in_key]) != 'undefined') {
			this.length--;
			var tmp_value = this.items[in_key];
			delete this.items[in_key];
		}

		return tmp_value;
	}

	this.getItem = function(in_key) {
		return this.items[in_key];
	}

	this.addItem = function(in_key, in_value) {
		if (typeof(in_value) != 'undefined') {
			if (typeof(this.items[in_key]) == 'undefined') {
				this.length++;
			}

			this.items[in_key] = in_value;
		}

		return in_value;
	}

	this.hasItem = function(in_key) {
			return typeof(this.items[in_key]) != 'undefined';
	}

}


function hashToGetQuery( theHash ) {
        var args = '' ;
        var dlm = '?' ;
        if (theHash.length > 0) {
			cnt = 0;
			for ( var i in theHash.items ) {
				cnt++;
				args += dlm + i + '=' + theHash.items[i] ;
				dlm = '&' ;
			}
        }
        return args ;
}