<!--var supportsDOM = (document.getElementById) ? true : false;var browserNS = navigator.userAgent.indexOf("Netscape")!=-1var browserIE = (document.all) ? true : false;var INTERFACE_WIDTH = 762;var MENU_INDENT = 143;/** * Method to display a menu if it is not already visible and hide it if it * is visible */function toggleMenu(menu){	if(!menuVisible(menu))	{		showMenu(menu);	}	else	{		hideMenu(menu);	}}/** * Method to hide a menu */function showMenu(menu){	positionMenu(menu);	document.getElementById(menu).style.visibility = 'visible';}/** * Method to hide a menu */function hideMenu(menu){	document.getElementById(menu).style.visibility = 'hidden';}/** * Method to check if a menu is visible */function menuVisible(menu){	if(document.getElementById(menu).style.visibility == 'visible')	{		return true;	}	else	{		return false;	}}/* * Function to position a menu based on the width of the current window  * and based on the values of the INTERFACE_WIDTH and MENU_INDENT constants. */function positionMenu(menu){	var windowWidth = getWindowWidth();	var margin = (windowWidth - INTERFACE_WIDTH)/2;	var menuPosition;	if(margin > 0)	{		menuPosition = margin + MENU_INDENT;	}	else	{		menuPosition = MENU_INDENT;	}	document.getElementById(menu).style.left = menuPosition;}/* * Function to return the window width */function getWindowWidth(){	if(browserNS)	{		//the -12 corrects a minor inconsistency with IE and NS		return window.innerWidth-12;	}	else if(browserIE)	{		return document.body.clientWidth;	}	return 0;}/* * Function to display the menu button, if the current browser does not support the technologies  * used for the menu then the button links to a page with a list of the menu links. */function displayButton(){	if(supportsDOM && (browserNS || browserIE))	{		document.write('<a href="#"  onClick="toggleMenu(\'theMenu\')" onMouseOut="MM_swapImgRestore();"  onMouseOver="MM_swapImage(\'letMeHelpWith\',\'\',\'images/interface/letMeHelpWith_f2.gif\',1)" ><img name="letMeHelpWith" src="images/interface/letMeHelpWith.gif" width="141" height="35" border="0" alt="let me help with"></a>');	}	else	{		document.write('<a href="let-me-help-with.htm"><img name="letMeHelpWith" src="images/interface/letMeHelpWith.gif" width="141" height="35" border="0" alt="let me help with"></a>');	}}//-->