// Image Gallery functions

	var imgNo
	
	// Change home page image
	function ImgChange (imgCtrl)
	{
		//alert('a');
		
		if (imgCtrl == 1)
		{
			document.getElementById("img1").src = "images/imgHome1Bsml.jpg";
			document.getElementById("img2").src = "images/imgHome2sml.jpg";
			document.getElementById("img2").alt = "Vacancies";
			document.getElementById("img3").src = "images/imgHome3sml.jpg";
			document.getElementById("img3").alt = "Become a Member"; 
				
			document.getElementById("img4").src = "images/imgHome"+ imgCtrl +".jpg";
		}
		else if (imgCtrl == 2)
		{	
			document.getElementById("img1").src = "images/imgHome1sml.jpg";
			document.getElementById("img1").alt = "News";
			document.getElementById("img2").src = "images/imgHome2Bsml.jpg";
			document.getElementById("img3").src = "images/imgHome3sml.jpg";
			document.getElementById("img3").alt = "Become a Member";			
					
			document.getElementById("img4").src = "images/imgHome"+ imgCtrl +".jpg";			
		}
		else //if imgCtrl = 3
		{
			document.getElementById("img1").src = "images/imgHome1sml.jpg";
			document.getElementById("img1").alt = "News"; 
			document.getElementById("img2").src = "images/imgHome2sml.jpg";
			document.getElementById("img2").alt = "Vacancies";
			document.getElementById("img3").src = "images/imgHome3Bsml.jpg" 
				
			document.getElementById("img4").src = "images/imgHome"+ imgCtrl +".jpg";			
		}
		
		imgNo = imgCtrl
	}
	
	// Link to page
	function ImgLink()
	{
		//alert('b');
		
		switch (window.imgNo)
		{
			case 2:
				window.location = "/work_for_us/current_vacancies.aspx";
				break;
			case 1:
				window.location = "/news.aspx";
				break;			
			default:
				window.location = "/trust_members.aspx";
				break;				
		}
	}