if (document.images)
         {
        pic1 = new Image
        pic2 = new Image
		pic3 = new Image
		pic4 = new Image
		pic5 = new Image
		pic6 = new Image
		pic7 = new Image
		pic8 = new Image
		pic9 = new Image
		pic10 = new Image
		pic11 = new Image
		pic12 = new Image
		pic13 = new Image
		pic14 = new Image
		pic15 = new Image
		pic16 = new Image
        pic17 = new Image
		pic18 = new Image
		pic19 = new Image
		pic20 = new Image
		pic21 = new Image
		pic22 = new Image
		pic23 = new Image
		pic24 = new Image
		pic25 = new Image
		pic26 = new Image
		pic27 = new Image
		pic28 = new Image
		pic29 = new Image
		pic30 = new Image
		
        
        pic1.src = 'Time Square.jpg'
        pic2.src = 'The casino.jpg'
		pic3.src = 'guggenheim museum.jpg'
		pic4.src = 'Niagara falls.jpg'
		pic5.src = 'chicago.jpg'
		pic6.src = 'Yellow Stone.jpg'
		pic7.src = 'Yellow stone2.jpg'
		pic8.src = 'Yellow stone3.jpg'
		pic9.src = 'camping.jpg'
		pic10.src = 'science museum.jpg'
        pic11.src = 'suspension bridges.jpg'
		pic12.src = 'suspension bridges2.jpg'
		pic13.src = 'hiking.jpg'
		pic14.src = 'St. Helens.jpg'
		pic15.src = 'Olympic national park.jpg'
		pic16.src = 'Pacific ocean.jpg'
        pic17.src = 'Millersylvania.jpg'
		pic18.src = 'Native Americans shelter.jpg'
		pic19.src = 'Devil Tower.jpg'
		pic20.src = 'Jewel cave.jpg'
		pic21.src = 'Mount Rush More.jpg'
		pic22.src = 'Badlands National Park.jpg'
		pic23.src = 'igloo.jpg'
		pic24.src = 'East Lansing.jpg'
		pic25.src = 'Uper Peninsula.jpg'
        pic26.src = 'Minneapolice aquariom.jpg'
        pic27.src = 'Edmonds Underwater Park.jpg'
        pic28.src = 'Redwood National Park.jpg'
        pic29.src = 'seattle.JPG'
        pic30.src = 'Japanies-garden.JPG'
		}
        else {
        pic1 = ""
        pic2 = ""
		pic3 = ""
		pic4 = ""
		pic5 = ""
		pic6 = ""
		pic7 = ""
		pic8 = ""
		pic9 = ""
		pic10 = ""
		pic11 = ""
		pic12 = ""
		pic13 = ""
		pic14 = ""
		pic15 = ""
		pic16 = ""
        pic17 = ""
		pic18 = ""
		pic19 = ""
		pic20 = ""
		pic21 = ""
		pic22 = ""
		pic23 = ""
		pic24 = ""
		pic25 = ""
		pic26 = ""
		pic27 = ""
		pic27 = ""
		pic28 = ""
		pic29 = ""
		pic30 = ""
        document.pic = ""
        }