<!--       ***This part picks images***
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function writeCaption() {
document.getElementById('captionBox').innerHTML = 'A sample browse image of SSM/I data acquired on 01 January 2008. The Northern Hemisphere 25-km EASE-Grid, 37 GHz, horizontally-polarized brightness temperature data are provided in the <a href="/data/nsidc-0032.html">DMSP SSM/I Pathfinder Daily EASE-Grid Brightness Temperatures</a> data set. Image courtesy of NSIDC.<br><br>';
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      document.getElementById('captionBox').innerHTML = 'A sample browse image of SSM/I data acquired on 01 January 2008. The Northern Hemisphere 25-km EASE-Grid, 37 GHz, horizontally-polarized brightness temperature data are provided in the <a href="/data/nsidc-0032.html">DMSP SSM/I Pathfinder Daily EASE-Grid Brightness Temperatures</a> data set. Image courtesy of NSIDC.<br><br>';
      }
   if (banners==2)
      {
	  document.getElementById('captionBox').innerHTML = 'Twelve-month average probability of occurrence of sea ice extent frequency from 1978-2005, as derived from the SMMR and SSM/I instruments. Data are part of the <a href="/data/nsidc-0046.html">Northern Hemisphere EASE-Grid Weekly Snow Cover and Sea Ice Extent Version 3</a> data set. Image courtesy of NSIDC.<br><br>';
      }
   if (banners==3)
      {
      document.getElementById('captionBox').innerHTML = 'Image of monthly-averaged percent sea ice concentration for September 2007 derived from <a href=/data/nsidc-0051.html>Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data</a> in the Polar Stereographic projection. Image courtesy of NSIDC.<br><br><br>';
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      document.getElementById('captionBox').innerHTML = 'Onset of melt over sea ice in the Arctic for the year 1998, from Snow Melt Onset Over Arctic Sea Ice, a <a href="/data/nsidc-0105.html">SMMR and SSM/I Brightness Temperatures</a> data set. Image courtesy of NSIDC.<br><br><br><br>';
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      image="/data/smmr_ssmi/images/slideshow/ssmi_tb_010108_240x300.jpg";
	  alt="SSM/I brightness temperature for 01/01/08 from NSIDC-0032";
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      image="/data/smmr_ssmi/images/slideshow/nlicefrq.v03.gif";
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      image="/data/smmr_ssmi/images/slideshow/nsidc0051_200709.jpg"
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      image="/data/smmr_ssmi/images/slideshow/MELT-0001998N.gif";
			alt="Onset of melt over sea ice for 1998 from NSIDC-0105";
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//-->

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