function newImage(arg) {
    if (document.images) {
        rslt = new Image();
        rslt.src = arg;
        return rslt;
    }
}

function changeImages() {
    if (document.images && (preloadFlag == true)) {
        for (var i=0;i < changeImages.arguments.length; i+=2) {
            document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
        }
    }
}

var preloadFlag = false;

function preloadImages() {
    if (document.images) {
        homebtn_01_over = newImage("../img/btn/homebtn_01-over.gif");
        homebtn_01_down = newImage("../img/btn/homebtn_01-down.gif");
        btnleft_01_over = newImage("../img/btn/btnleft_01-over.gif");
        btnleft_01_down = newImage("../img/btn/btnleft_01-down.gif");
        btnright_01_over = newImage("../img/btn/btnright_01-over.gif");
        btnright_01_down = newImage("../img/btn/btnright_01-down.gif");
		Lens_01_over = newImage("../img/btn/Lens_01-over.gif");
		Lens_01_down = newImage("../img/btn/Lens_01-down.gif");
        preloadFlag = true;
    }
}

function navBtns(thehome, theleft, theright) {
   document.write('<table cellpadding="6" cellspacing="2" border="0" width="760"><tbody><tr><td valign="top" width="30%" nowrap="nowrap">');

   if (thehome != "")  navDraw1Btn(thehome, "H");
   if (theleft != "") { 
        document.write('&nbsp;&nbsp;');
        navDraw1Btn(theleft, "L");
    }  
   if (theright != "") {
        document.write('&nbsp;&nbsp;');
        navDraw1Btn(theright, "R");
    }
    
   document.write('</td><td valign="top"><br></td></tr></tbody></table>');

}

function navDraw1Btn(theURL, theBtn) {
    switch(theBtn) {
        case "H" :  navBtnDraw(theURL, "homebtn_01" , "106", "36"); break;
        case "L" :  navBtnDraw(theURL, "btnleft_01" , "36", "36"); break;
        case "R" :  navBtnDraw(theURL, "btnright_01" , "36", "36"); break;
    }
}


function navBtnDraw(btnURL, btnName, w, h) {
     document.write('<a href="' + btnURL + '" onmouseover="' +
      "changeImages('" + btnName + "', '../img/btn/" + btnName + "-over.gif'); return true;" +
      '" onmouseout="' +  "changeImages('" + btnName + "', '../img/btn/" + btnName + ".gif'); return true;" +
      '" onmousedown="' + "changeImages('" + btnName + "', '../img/btn/" + btnName + "-down.gif'); return true;" +
      '" onmouseup="'  +  "changeImages('" + btnName + "', '../img/btn/" + btnName + "-over.gif'); return true;" +
      '"><img name="' + btnName + '" src="../img/btn/' + btnName + '.gif" width="' + w + '" height="' + h + '" border="0" alt=""> </a>');
}

function jaw_openPanoWindow(theURL,winName,features)
{
  theWin = window.open("","zoomed",features);
  theWin.document.write("<HEAD><TITLE>"+winName+"</TITLE></HEAD>");
  theWin.document.write("<BODY><center><img src='"+theURL+"' alt=''></center></BODY>");
 }



/*     <a href="btnURL" onmouseover="changeImages('btnName', '../img/btn/btnName-over.gif'); return true;" 
     onmouseout="changeImages('btnName', '../img/btn/btnName.gif'); return true;" 
     onmousedown="changeImages('btnName', '../img/btn/btnName-down.gif'); return true;" 
     onmouseup="changeImages('btnName', '../img/btn/btnName-over.gif'); return true;">
     <img name="btnName" src="../img/btn/btnName.gif" width="w" height="h" border="0" alt=""> </a>
*/


