function switch_image( image_name, view_b)
	{
		path = document.images[image_name].src.substring( 0, "/" );
		document.images[image_name].src = path + view_b;
	}
	
// Source : unknow
function swap_image( image_name, view_a, view_b)
	{
	//alert( "swap_image\n" + image_name + "\n" + view_a + "\n" + view_b + "\n" + document.images[image_name].src);
		
	if( document.images[image_name].src.lastIndexOf( view_a) > 0)
		{
		path = document.images[image_name].src.substring( 0, document.images[image_name].src.lastIndexOf( view_a) );
		document.images[image_name].src = path + view_b;
		}
	else if( document.images[image_name].src.lastIndexOf( view_b) > 0)
		{
		path = document.images[image_name].src.substring( 0, document.images[image_name].src.lastIndexOf( view_b) );
		document.images[image_name].src = path + view_a;
		}
	}

function swap_image_and_button( image_name, view_a, view_b, button_name, see_view_a, see_view_b)
	{
	if( document.images[image_name].src.lastIndexOf( view_a) > 0)
		{
		image_path = document.images[image_name].src.substring( 
			0, document.images[image_name].src.lastIndexOf( view_a) );
		document.images[image_name].src = image_path + view_b;

		button_path = document.images[button_name].src.substring( 
			0, document.images[button_name].src.lastIndexOf( see_view_b) );
		document.images[button_name].src = button_path + see_view_a;
		}
	else
		{
		image_path = document.images[image_name].src.substring( 
			0, document.images[image_name].src.lastIndexOf( view_b) );
		document.images[image_name].src = image_path + view_a;

		button_path = document.images[button_name].src.substring( 
			0, document.images[button_name].src.lastIndexOf( see_view_a) );
		document.images[button_name].src = button_path + see_view_b;
		}
	}