// JavaScript Document
var $path="http://www.questar.com/images/global-nav/";

function precheckSwapImage(menu,page){
	$menu=menu;
	$page=page;
	$dropddown="nav"+$menu;
	$reference="";
	//alert("page is "+$page+" menu is "+$menu);
/* if the menu is on the same page as it's section set rolloff graphic to blue*/
		if ($menu == $page){
			switch($page){
				case '1':
					$ourCompany="our-company-on.gif";
					$reference=$path+$ourCompany;
					break
				case '2':
					$ourBusinesses="our-business-on.gif";
					$reference=$path+$ourBusinesses;
					
					break
				case '3':
					$investors="investors-on.gif";
					$reference=$path+$investors;
					
					break
				case '4':
					$enviroCommunity="e-and-c-on.gif";
					$reference=$path+$enviroCommunity;
					
					break
				case '5':
					$careers="careers-on.gif";
					$reference=$path+$careers;
				  break
				default:
			//alert("default 1");
				break
			}//end switch
		}else{
/* else if the menu is NOT on the same page as it's section set rolloff graphic to black*/
				switch($menu){
				case '1':
					$ourCompany="our-company.gif";
					$reference=$path+$ourCompany;
					break
				case '2':
					$ourBusinesses="our-business.gif";
					$reference=$path+$ourBusinesses;
					
					break
				case '3':
					$investors="investors.gif";
					$reference=$path+$investors;
					
					break
				case '4':
					$enviroCommunity="e-and-c.gif";
					$reference=$path+$enviroCommunity;
					
					break
				case '5':
					$careers="careers.gif";
					$reference=$path+$careers;
				  break
				default:
//alert("default 2");
				break
			}//end switch

		}//end if
//alert("reference="+$reference);
	swapImage($dropddown, $reference);
	
	}