var scrollSpeed=2;var upOnImage="scrollbtn_up_on.gif";var upOffImage="scrollbtn_up_off.gif";var downOnImage="scrollbtn_dn_on.gif";var downOffImage="scrollbtn_dn_off.gif";var scrollDownArr=new Array();var scrollUpArr=new Array();var prevScrollTop=new Array();var UP="ImgScrollup";var DOWN="ImgScrolldown";var DATA="Content";function resetScrollElmt(a){try{scrollObj=document.getElementById(a+DATA);if(canElmtScroll(scrollObj)){flipScrollImage(a+DOWN,downOnImage)}else{flipScrollImage(a+DOWN,downOffImage)}}catch(b){b}}function canElmtScroll(c){var a=c.scrollHeight;var b=parseInt(c.style.height,10);if(a>b){return true}else{return false}}function scrollDownElmt(b){try{var a=scrollDownArr[b+DATA];if(a==null||a==undefined){if(document[b+DOWN].src.indexOf("on")>0){clearScrollUp(b+DATA);flipScrollImage(b+UP,upOnImage);moveElmtDown(b+DATA,b+UP,b+DOWN)}}}catch(c){}}function scrollUpElmt(b){try{var a=scrollUpArr[b+DATA];if(a==null||a==undefined){if(document[b+UP].src.indexOf("on")>0){clearScrollDown(b+DATA);flipScrollImage(b+DOWN,downOnImage);moveElmtUp(b+DATA,b+UP,b+DOWN)}}}catch(c){}}function moveElmtDown(b,c,a){clearTimeout(scrollUpArr[b]);scrollObj=document.getElementById(b);prevScrollTop[b]=scrollObj.scrollTop;scrollObj.scrollTop=scrollObj.scrollTop+scrollSpeed;if(prevScrollTop[b]==scrollObj.scrollTop){clearTimeout(scrollDownArr[b]);scrollDownArr[b]=null;flipScrollImage(a,downOffImage)}else{scrollDownArr[b]=setTimeout("moveElmtDown('"+b+"','"+c+"','"+a+"')",20)}}function moveElmtUp(b,c,a){clearTimeout(scrollDownArr[b]);scrollObj=document.getElementById(b);prevScrollTop[b]=scrollObj.scrollTop;scrollObj.scrollTop=scrollObj.scrollTop-scrollSpeed;if(prevScrollTop[b]==scrollObj.scrollTop){clearTimeout(scrollUpArr[b]);scrollUpArr[b]=null;flipScrollImage(c,upOffImage)}else{scrollUpArr[b]=setTimeout("moveElmtUp('"+b+"','"+c+"','"+a+"')",20)}}function stopElmtScroll(a){var b=a+DATA;clearScrollDown(b);clearScrollUp(b);prevScrollTop[b]=null}function clearScrollDown(a){clearTimeout(scrollDownArr[a]);scrollDownArr[a]=null}function clearScrollUp(a){clearTimeout(scrollUpArr[a]);scrollUpArr[a]=null}function flipScrollImage(b,a){document[b].src=imgPath+a};