if(document.images)
{

        var ImprintedNormal=new Image();
        ImprintedNormal.src="img/bt_imprinted_o.gif";
        var ImprintedOver=new Image();
        ImprintedOver.src="img/bt_imprinted_i.gif";
		
        var StencilNormal=new Image();
        StencilNormal.src="img/bt_stencil_o.gif";
        var StencilOver=new Image();
        StencilOver.src="img/bt_stencil_i.gif";
		
        var SprayNormal=new Image();
        SprayNormal.src="img/bt_technical_o.gif";
        var SprayOver=new Image();
        SprayOver.src="img/bt_technical_i.gif";		
		
        var TextureNormal=new Image();
        TextureNormal.src="img/bt_texture_o.gif";
        var TextureOver=new Image();
        TextureOver.src="img/bt_texture_i.gif";		
		
		  var WallCreteNormal=new Image();
        WallCreteNormal.src="img/bt_wallcrete_o.gif";
        var WallCreteOver=new Image();
        WallCreteOver.src="img/bt_wallcrete_i.gif";		
        
        var ColourNormal=new Image();
        ColourNormal.src="img/bt_colour_o.gif";
        var ColourOver=new Image();
        ColourOver.src="img/bt_colour_i.gif";
		
		var ContactNormal=new Image();
        ContactNormal.src="img/bt_contact_o.gif";
        var ContactOver=new Image();
        ContactOver.src="img/bt_contact_i.gif";
		
		var GalleryNormal=new Image();
        GalleryNormal.src="img/bt_gallery_o.gif";
        var GalleryOver=new Image();
        GalleryOver.src="img/bt_gallery_i.gif";
		
		var VideoNormal=new Image();
        VideoNormal.src="img/bt_video_o.gif";
        var VideoOver=new Image();
        VideoOver.src="img/bt_video_i.gif";
		
		var OfferNormal=new Image();
        OfferNormal.src="img/bt_offer_o.gif";
        var OfferOver=new Image();
        OfferOver.src="img/bt_offer_i.gif";
		
		var GbmNormal=new Image();
        GbmNormal.src="img/bt_gbm_o.gif";
        var GbmOver=new Image();
        GbmOver.src="img/bt_gbm_i.gif";		
}

function ReplaceImage(ReplaceThis, WithThis)
{
    document[ReplaceThis].src = eval(WithThis + ".src");
}