if (document.images) {
            designmousedown = new Image();     designmousedown.src = "Images/design3.jpg";
            designon = new Image();     designon.src = "Images/design2.jpg";
            designoff = new Image();    designoff.src = "Images/design1.jpg";
            illustrationmousedown = new Image();     illustrationmousedown.src = "Images/illustration3.jpg";
            illustrationon = new Image();     illustrationon.src = "Images/illustration2.jpg";
            illustrationoff = new Image();    illustrationoff.src = "Images/illustration1.jpg";
            andreamousedown = new Image();     andreamousedown.src = "Images/andrea3.jpg";
            andreaon = new Image();     andreaon.src = "Images/andrea2.jpg";
            andreaoff = new Image();    andreaoff.src = "Images/andrea1.jpg";
            jewelrymousedown = new Image();     jewelrymousedown.src = "Images/jewelry3.jpg";
            jewelryon = new Image();    jewelryon.src = "Images/jewelry2.jpg";
            jewelryoff = new Image();    jewelryoff.src = "Images/jewelry1.jpg";
            contactmousedown = new Image();     contactmousedown.src = "Images/contact3.jpg";
            contacton = new Image();     contacton.src = "Images/contact2.jpg";
            contactoff = new Image();    contactoff.src = "Images/contact1.jpg";
            
            contents_designmousedown = new Image();    contents_designmousedown.src = "Images/contents_design3.jpg";
            contents_designon = new Image();     contents_designon.src = "Images/contents_design2.jpg";
            contents_designoff = new Image();    contents_designoff.src = "Images/contents_design1.jpg";
            contents_ch1mousedown = new Image();    contents_ch1mousedown.src = "Images/contents_ch1_3.jpg";
            contents_ch1on = new Image();     contents_ch1on.src = "Images/contents_ch1_2.jpg";
            contents_ch1off = new Image();    contents_ch1off.src = "Images/contents_ch1_1.jpg";
            contents_ch2mousedown = new Image();    contents_ch2mousedown.src = "Images/contents_ch2_3.jpg";
            contents_ch2on = new Image();     contents_ch2on.src = "Images/contents_ch2_2.jpg";
            contents_ch2off = new Image();    contents_ch2off.src = "Images/contents_ch2_1.jpg";
            contents_jewelrymousedown = new Image();    contents_jewelrymousedown.src = "Images/contents_jewelry3.jpg";
            contents_jewelryon = new Image();     contents_jewelryon.src = "Images/contents_jewelry2.jpg";
            contents_jewelryoff = new Image();    contents_jewelryoff.src = "Images/contents_jewelry1.jpg";
            contents_contactmousedown = new Image();    contents_contactmousedown.src = "Images/contents_contact3.jpg";
            contents_contacton = new Image();     contents_contacton.src = "Images/contents_contact2.jpg";
            contents_contactoff = new Image();    contents_contactoff.src = "Images/contents_contact1.jpg";
            contents_processmousedown = new Image();    contents_processmousedown.src = "Images/contents_process3.jpg";
            contents_processon = new Image();     contents_processon.src = "Images/contents_process2.jpg";
            contents_processoff = new Image();    contents_processoff.src = "Images/contents_process1.jpg";
            
            illustration_ch1_mousedown = new Image();     illustration_ch1_mousedown.src = "Images/illustration_ch1_3.jpg";
            illustration_ch1_on = new Image();     illustration_ch1_on.src = "Images/illustration_ch1_2.jpg";
            illustration_ch1_off = new Image();    illustration_ch1_off.src = "Images/illustration_ch1_1.jpg";
            
            illustration_ch2_mousedown = new Image();     illustration_ch2_mousedown.src = "Images/illustration_ch2_3.jpg";
            illustration_ch2_on = new Image();     illustration_ch2_on.src = "Images/illustration_ch2_2.jpg";
            illustration_ch2_off = new Image();    illustration_ch2_off.src = "Images/illustration_ch2_1.jpg";
            
            RightSideBottom_1_mousedown = new Image();     RightSideBottom_1_mousedown.src = "Images/RightSideBottom_1_3.jpg";
            RightSideBottom_1_on = new Image();     RightSideBottom_1_on.src = "Images/RightSideBottom_1_2.jpg";
            RightSideBottom_1_off = new Image();     RightSideBottom_1_off.src = "Images/RightSideBottom_1_1.jpg";
            RightSideBottom_2_mousedown = new Image();     RightSideBottom_2_mousedown.src = "Images/RightSideBottom_2_3.jpg";
            RightSideBottom_2_on = new Image();     RightSideBottom_2_on.src = "Images/RightSideBottom_2_2.jpg";
            RightSideBottom_2_off = new Image();     RightSideBottom_2_off.src = "Images/RightSideBottom_2_1.jpg";
            RightSideBottom_3_mousedown = new Image();     RightSideBottom_3_mousedown.src = "Images/RightSideBottom_3_3.jpg";
            RightSideBottom_3_on = new Image();     RightSideBottom_3_on.src = "Images/RightSideBottom_3_2.jpg";
            RightSideBottom_3_off = new Image();     RightSideBottom_3_off.src = "Images/RightSideBottom_3_1.jpg";
            RightSideBottom_4_mousedown = new Image();     RightSideBottom_4_mousedown.src = "Images/RightSideBottom_4_3.jpg";
            RightSideBottom_4_on = new Image();     RightSideBottom_4_on.src = "Images/RightSideBottom_4_2.jpg";
            RightSideBottom_4_off = new Image();     RightSideBottom_4_off.src = "Images/RightSideBottom_4_1.jpg";
            
            Contact_ProcessButton_mousedown = new Image();     Contact_ProcessButton_mousedown.src = "Images/Contact_ProcessButton_3.jpg";
            Contact_ProcessButton_on = new Image();     Contact_ProcessButton_on.src = "Images/Contact_ProcessButton_2.jpg";
            Contact_ProcessButton_off = new Image();     Contact_ProcessButton_off.src = "Images/Contact_ProcessButton_1.jpg";

}

     function imgMousedown (imgName) {
            if (document.images) {
                document[imgName].src = eval(imgName + "mousedown.src");
            }
            
    }     function imgOn(imgName) {
            if (document.images) {
                document[imgName].src = eval(imgName + "on.src");
            }
    }
        
        function imgOff(imgName) {
            if (document.images) {
                document[imgName].src = eval(imgName + "off.src");
            }
    }