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13 function handleHeaderDisplay( tableToHide, tableToShow ) |
13 function handleHeaderDisplay( tableToHide, tableToShow ) |
14 { |
14 { |
15 document.getElementById(tableToShow).style.display = ""; |
15 document.getElementById(tableToShow).style.display = ""; |
16 document.getElementById(tableToHide).style.display = "none"; |
16 document.getElementById(tableToHide).style.display = "none"; |
17 } |
17 } |
18 |
18 |
19 onload=collapseHeader; |
19 var intervalHandler; |
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20 function fetchMoreIfAtBottom() |
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21 { |
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22 var element = parent.body_frame.document.body; |
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23 |
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24 if ( element == null ) |
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25 { |
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26 return; |
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27 } |
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28 |
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29 var viewport = parent.pageYOffset; |
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30 var elementHeight = element.offsetHeight; |
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31 var elementOffsetTop = element.offsetTop; |
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32 var screenHeight = screen.availHeight; |
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33 if ( elementOffsetTop + elementHeight - viewport < screenHeight ) |
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34 { |
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35 location.href = "cmail://body/" + viewport |
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36 clearInterval(intervalHandler); |
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37 } |
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38 } |
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39 |
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40 function scrollHandler() |
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41 { |
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42 intervalHandler = setInterval( "fetchMoreIfAtBottom()", 500); |
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43 } |
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44 |
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45 function init(scrollPos) |
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46 { |
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47 collapseHeader(); |
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48 window.scrollTo(0, scrollPos); |
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49 //start a scrolling event which will trigger the check of bottom reached... |
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50 //this will take care of short document not does not need scrolling |
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51 scrollHandler(); |
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52 } |
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53 |
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54 //onload=init; |