/* ---------------------------------------

 *	function called when onmouseover on left nav is fired.

 * 	sets the global variable of currently rolled

 *	calls function to actually do the change

 */

function rollNavOn( i )

{

	gNavOver = i;

	changeNavColor( i, gColorOver)

}



/* ---------------------------------------

 *	function called when onmouseout on left nav is fired.

 * 	sets the global variable of currently rolled to null

 *	calls function to actually do the change

 */

function rollNavOff()

{

	changeNavColor( gNavOver, "")

	gNavOver = null;

}



/* ---------------------------------------

 *	function called by onmouseover and onmouseout functions

 * 	checks if browser can handle it.

 *	changes the background color of a couple different cells

 *  to an appropriate color ( set in the leftnav.asp file of

 *  a particular extra net )

 */

function changeNavColor( iNav, sColor)

{

	if ( document.getElementById && iNav != null )

	{

		// sets color of cell to left of the text.

		var eTempCell = document.getElementById("nav" + iNav )

		if ( eTempCell != null )

		{

			eTempCell.style.backgroundColor = sColor;

		}

		// sets color of cell with text.

		var eTempCell = document.getElementById("navText" + iNav )

		if ( eTempCell != null )

		{

			eTempCell.style.backgroundColor = sColor;

		}

	}

}





function changeTrColor( objRow )

{

	if ( objRow != null )

	{

		if ( typeof objRow.style != "undefined" )

		{

			if ( typeof objRow.style.backgroundColor != "undefined" )

			{

				if ( gColorOver.length == 7 )

				{

					objRow.style.backgroundColor = gColorOver;

				}

				trColorRevert();

				gNavOver = objRow;

				underlineRow( objRow );

			}

		}

	}

}



function trColorRevert()

{

	if (gNavOver != null)

	{

		if ( typeof gNavOver.style != "undefined" )

		{

			if ( typeof gNavOver.style.backgroundColor != "undefined" )

			{

				ununderlineRow( gNavOver );

				gNavOver.style.backgroundColor = ""

				gNavOver = null;

			}

		}

	}

}



function ununderlineRow( objRow )

{

	setUnderline( objRow, "none" )

}



function underlineRow( objRow )

{

	setUnderline( objRow, "2px solid red" )

}



function setUnderline( objRow, strUnderline )

{

	if ( objRow != null && typeof objRow.children != "undefined" )

	{

		var id = objRow.id.substring( objRow.id.indexOf("lvl")+3 )

		var objImg = document.getElementsByName("img" + id)

		if (objImg.length > 0)

		{

			objRow.style.borderBottom = strUnderline;

			objImg[0].style.border = strUnderline;			

		}

	}

}







function  fireLink( objRow )

{

	if ( typeof objRow.children != "undefined" && objRow.children.length > 0 )

	{

		for ( child in objRow.children )

		{

			if ( typeof objRow.children[child].tagName != "undefined" &&  objRow.children[child].tagName == "A" && objRow.children[child].href.indexOf("#") == -1 )

			{

				if (!isSubLevelClicked)

				{

					location.href = objRow.children[child].href;

					break;

				}

			}

		}

	}

	isSubLevelClicked = false;

}



function sublevel( strLvlName )

{

	isSubLevelClicked = true;

	var isOpen = false;

	if ( document.getElementById && strDivName != "" )

	{

		var strDivName = "sub" + strLvlName

		var objDiv = document.getElementById( strDivName );

		if ( objDiv != null )

		{

			if ( objDiv.style.display == "none" || objDiv.style.display == "" )

			{

				objDiv.style.display = "block";

				isOpen = true;

			}

			else

			{

				objDiv.style.display = "none";

			}

		}	

		var strImgName = "img" + strLvlName

		var objImages = document.getElementsByName( strImgName );

		if (objImages != null && objImages.length > 0 )

		{

			if (isOpen)

			{

				objImages[0].src = imgMinus.src;

			}

			else

			{

				objImages[0].src = imgPlus.src;

			}

		}

	}

	return false;

}



isSubLevelClicked = false;