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     pic2on= new Image(249,211);
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     pic3on= new Image(249,211);
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     pic4on= new Image(249,211);
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     pic6on= new Image(249,211);
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     pic7on= new Image(249,211);
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     pic8on= new Image(249,211);
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     pic9on= new Image(249,211);
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     pic10on= new Image(249,211);
     pic10on.src="./pictures/behind_10_tn_off.jpg"; 
 
     pic11on= new Image(249,211);
     pic11on.src="./pictures/behind_11_tn_off.jpg"; 
 
     pic12on= new Image(249,211);
     pic12on.src="./pictures/behind_12_tn_off.jpg"; 
  

     pic1off= new Image(249,211);
     pic1off.src="./pictures/behind_01_tn.jpg";

     pic2off= new Image(249,211);
     pic2off.src="./pictures/behind_02_tn.jpg";

     pic3off= new Image(249,211);
     pic3off.src="./pictures/behind_03_tn.jpg";

     pic4off= new Image(249,211);
     pic4off.src="./pictures/behind_04_tn.jpg";

     pic5off= new Image(249,211);
     pic5off.src="./pictures/behind_05_tn.jpg";

     pic6off= new Image(249,211);
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     pic7off= new Image(249,211);
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     pic8off= new Image(249,211);
     pic8off.src="./pictures/behind_08_tn.jpg";

     pic9off= new Image(249,211);
     pic9off.src="./pictures/behind_09_tn.jpg";

     pic10off= new Image(249,211);
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     pic11off= new Image(249,211);
     pic11off.src="./pictures/behind_11_tn.jpg";

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     pic12off.src="./pictures/behind_12_tn.jpg";

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function lightup(imgName)
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function turnoff(imgName)
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//-->