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var win=null;
function makeWin (mypage,myname,w,h,scroll,pos) {
    if(pos=="random") {
		LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
		TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
	}
	if(pos=="center") {
		LeftPosition=(screen.width)?(screen.width-w)/2:100;
		TopPosition=(screen.height)?(screen.height-h)/2:100;
	} else
		if ((pos!="center" && pos!="random") || pos==null) {
			LeftPosition=0;TopPosition=20
		}
		settings = 'width=' + w + ',height=' + h + ',top=' + TopPosition + ',left=' + LeftPosition + ',scrollbars=' + scroll + ',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	win=window.open(mypage,myname,settings);
	win.focus();
}

  function changeImg(image) {
      document['changeImg'].src = image;
  }

  function changePopupImg(image) {
      if (image != "")
      {
      document['portfolioPopupImg'].src = image;
      }
  }

  function showPop(id) {
    document.getElementById(id).style.visibility = "visible";
    document.getElementById(id).style.display = "block";
  }

  function hidePop(id) {
    document.getElementById(id).style.visibility = "hidden";  
    document.getElementById(id).style.display = "none";
  }


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