var browser= ""
if(-1 != navigator.userAgent.indexOf("MSIE 6")) 
{
 // Internet Explorer  6
browser = "IE6"
 } 

function preloadImages() 
{
	if(browser == "IE6") 
		{
		 // Internet Explorer  6
			document.getElementById('menu_nav1').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='./images/menu_nav1-hover.png',sizingMethod='crop'";	 
			document.getElementById('nav_image1').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='./images/menu_nav1.png',sizingMethod='crop'";
			document.getElementById('menu_nav2').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='./images/menu_nav2-hover.png',sizingMethod='crop'";	 	
			document.getElementById('nav_image2').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='./images/menu_nav2.png',sizingMethod='crop'";
			document.getElementById('menu_nav3').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='./images/menu_nav3-hover.png',sizingMethod='crop'";	 
			document.getElementById('nav_image3').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='./images/menu_nav3.png',sizingMethod='crop'";
		 } 
		else 
		{	 
			document.getElementById('menu_nav1').style.backgroundImage = 'url(images/menu_nav1-hover.png)';
			document.getElementById('nav_image1').style.backgroundImage = 'url(images/menu_nav1.png)';
			document.getElementById('menu_nav2').style.backgroundImage = 'url(images/menu_nav2-hover.png)';
			document.getElementById('nav_image2').style.backgroundImage = 'url(images/menu_nav2.png)';
			document.getElementById('menu_nav3').style.backgroundImage = 'url(images/menu_nav3-hover.png)';
			document.getElementById('nav_image3').style.backgroundImage = 'url(images/menu_nav3.png)';
		}
}

function setVisibility(id, visibility, activeMenu, activeImg, inactiveMenu1, inactiveImg1, inactiveMenu2, inactiveImg2) 
{
	if(browser == "IE6") 
		{
			var active = activeImg.substring(4)
			var inactive1 = inactiveImg1.substring(4)
			var inactive2 = inactiveImg2.substring(4)

			active = active.replace(/\)/gi, "")
			inactive1 = inactive1.replace(/\)/gi, "")
			inactive2 = inactive2.replace(/\)/gi, "")
			
			document.getElementById(id).style.display = visibility;
			document.getElementById(activeMenu).style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=" + active +",sizingMethod='crop'";
			document.getElementById(inactiveMenu1).style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=" + inactive1 + ",sizingMethod='crop'";
			document.getElementById(inactiveMenu2).style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=" + inactive2 + ",sizingMethod='crop'";		
		}
		else
		{	
			document.getElementById(id).style.display = visibility;
			document.getElementById(activeMenu).style.backgroundImage = activeImg;
			document.getElementById(inactiveMenu1).style.backgroundImage = inactiveImg1;
			document.getElementById(inactiveMenu2).style.backgroundImage = inactiveImg2;
		}
}

function clearMenu() 
{
	if(browser == "IE6")  
		{
		 // Internet Explorer  6
			document.getElementById('nav_image1').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/menu_nav1.png',sizingMethod='crop'";
			document.getElementById('nav_image2').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/menu_nav2.png',sizingMethod='crop'";
			document.getElementById('nav_image3').style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/menu_nav3.png',sizingMethod='crop'";
		 } 
		else
		{
			document.getElementById('nav_image1').style.backgroundImage = 'url(images/menu_nav1.png)';
			document.getElementById('nav_image2').style.backgroundImage = 'url(images/menu_nav2.png)';
			document.getElementById('nav_image3').style.backgroundImage = 'url(images/menu_nav3.png)';
		}
}

function openNewWindow(newContent, width, height)
{
  winContent = window.open(newContent, "nextWin", "toolbar=no, menubar=no ,location=no, scrollbars=yes, resizable=yes, width=" + width + ", height=" + height + ", top=" + (screen.height/2 - height/2) + ", left=" + (screen.width/2 - width/2) + "\""); 
}