thumb_on1 = new Image(); thumb_on1.src = 'img/top_05.jpg';
thumb_on2 = new Image(); thumb_on2.src = 'img/top_06.jpg';
thumb_on3 = new Image(); thumb_on3.src = 'img/top_07.jpg';
thumb_on4 = new Image(); thumb_on4.src = 'img/top_08.jpg';
thumb_on5 = new Image(); thumb_on5.src = 'img/top_09.jpg';
thumb_on6 = new Image(); thumb_on6.src = 'img/top_10.jpg';

function ChangeImage(strUrl){

	if(document.All){document.All("imgnumber").src = strUrl;}
	if(document.getElementById){document.getElementById("imgnumber").src = strUrl;}

}