function mainmenuHover(elem)
{	document.getElementById('mmu'+elem).className = 'mainmenuentry_hover';
}
		
function mainmenuOut(elem)
{	document.getElementById('mmu'+elem).className = 'mainmenuentry_normal';
}

function buttonHover(elem)
{	document.getElementById('btn'+elem).className = 'button_hover';
}
		
function buttonOut(elem)
{	document.getElementById('btn'+elem).className = 'button_normal';
}

function navigationHover(elem)
{	document.getElementById('nav'+elem).className = 'navigation_hover';
}
		
function navigationOut(elem)
{	document.getElementById('nav'+elem).className = 'navigation_normal';
}

function imagePreload()
{	var preloadImages = new Array("background.gif", "box-footer-left.gif", "box-footer-middle.gif", "box-footer-right.gif", "box-header-left.gif", "box-header-middle.gif", "box-header-right.gif", "box-left.gif", "box-right.gif", "button-highlight.gif", "button-normal.gif", "content-left.gif", "content-right.gif", "footer-background.gif", "header-left.gif", "header-middle.gif", "header-right.gif", "mainmenu-button-highlight.gif", "mainmenu-button-normal.gif", "mainmenu-left.gif", "mainmenu-right.gif", "navigation-highlight.gif", "navigation-normal.gif");

	document.imagePreloadImages = new Array();
	if(document.images)
	{	for (var i = 0; i < preloadImages.length; i++)
        	{	document.imagePreloadImages[i] = new Image();
        		document.imagePreloadImages[i].src = '/css/img/' + preloadImages[i];
		}
	}
}

function pressEnter(e)
{	var keyCode;
	if (window.event)
	{	keyCode = window.event.keyCode;
	}
	else if (e)
	{	keyCode = e.which;
	}
	if (keyCode == 13 && document.loginform.user.value != "" && document.loginform.pass.value != "")
	{	document.loginform.submit();
		return false;
	}
	else
	{	return true;
	}
}