if (document.images) {
    
    listoff = new Image();
    listoff.src = "images/listoff.gif";
    listover = new Image();
    listover.src = "images/listover.gif";
    rentoff = new Image();
    rentoff.src = "images/rentoff.gif";
    rentover = new Image();
    rentover.src = "images/rentover.gif";
    abouoff = new Image();
    abouoff.src = "images/abouoff.gif";
    abouover = new Image();
    abouover.src = "images/abouover.gif";
    contoff = new Image();
    contoff.src = "images/contoff.gif";
    contover = new Image();
    contover.src = "images/contover.gif";
    clieoff = new Image();
    clieoff.src = "images/clieoff.gif";
    clieover = new Image();
    clieover.src = "images/clieover.gif";
    lehioff = new Image();
    lehioff.src = "images/lehioff.gif";
    lehiover = new Image();
    lehiover.src = "images/lehiover.gif";
    consoff = new Image();
    consoff.src = "images/consoff.gif";
    consover = new Image();
    consover.src = "images/consover.gif";
  }
function onoff(imgName,state) {
        if(document.images) {               
		document.images[imgName].src = eval(imgName + state + ".src");
        }
  }         

function newWindow_pic(picturefile) 
  {
    pictures_Win = window.open ("pics.htm?" + picturefile, "pictures_Win", "width=485,height=510,resizable=yes");
    pictures_Win.focus();
  }

function chkMessage()  {
  if(document.contact_plaza_realty.Phone.value == "")
    {
    alert("Please insert your phone number. Thank you.");
    document.contact_plaza_realty.Phone.focus();
    return false;
    }
  }