function doNuhn() {}
					
					function changeBG(elementId,setTo)
					{
					/*	try
						{*/
							//checker = 1;
								if( document.getElementById )
								{
									//DOM
									var theElement = document.getElementById( elementId );
								}
								else
								{
									if( document.all )
									{
										//Proprietary DOM
										var theElement = document.all[ elementId ];
									}
									else
									{
										//Create an object to prevent errors further on
										var theElement = new Object();
									}
								}
								
								if( !theElement )
								{
									/* The page has not loaded or the browser claims to support
									document.getElementById or document.all but cannot actually
									use either */
									return;
								}
		    
								//Reference the style ...
								if( theElement.style )
								{
									theElement = theElement.style;
								}
								
								if( typeof( theElement.display ) == 'undefined' && !( window.ScriptEngine && ScriptEngine().indexOf('InScript') + 1 ) )
								{
									//The browser does not allow us to change the display style
									//Alert something sensible (not what I have here ...)
									window.alert( 'Your browser does not support this' );
									return;
								}
					
								//Change the display style
										theElement.background = setTo;
								//alert(document.getElementById('book').style.background);
								document.getElementById("home_topblock").style.display = "none";
								document.getElementById("home_bottblock").style.display = "none";
							/*}
							catch(e)
							{}*/
					}