Example code for jQuery to achieve header fixed effect_jquery

var obj = document.getElementById("tableHeaderDiv" tableId);

if (obj) {

jQuery(obj).remove();

}

var browserName = navigator.appName;

var ver = navigator.appVersion;

var browserVersion = parseFloat(ver.substring(ver.indexOf("MSIE") 5, ver.lastIndexOf("Windows")));

var content = document.getElementById(tableParentDivId);

var scrollWidth = content.offsetWidth - content.clientWidth;

var tableOrg = jQuery("#" tableId)

var table = tableOrg.clone();

table.attr("id", "cloneTable");

var tableClone = jQuery(tableOrg).find("tr").each(function() {

});

var tableHeader = jQuery(tableOrg).find("thead");

var tableHeaderHeight = tableHeader.height();

tableHeader.hide();

var colsWidths = jQuery(tableOrg).find("tbody tr:first td").map(function() {

return jQuery(this).width();

});

var tableCloneCols = jQuery(table).find("thead tr:first td")

if (colsWidths.size() > 0) {

for (i = 0; i < tableCloneCols.size(); i ) {

if (i == tableCloneCols.size() - 1) {

if (browserVersion == 8.0)

tableCloneCols.eq(i).width(colsWidths[i] scrollWidth);

else

tableCloneCols.eq(i).width(colsWidths[i]);

          } else {

tableCloneCols.eq(i).width(colsWidths[i]);

         }

}

}

var headerDiv = document.createElement("div");

headerDiv.appendChild(table[0]);

jQuery(headerDiv).css("height", tableHeaderHeight);

jQuery(headerDiv).css("overflow", "hidden");

jQuery(headerDiv).css("z-index", "20");

jQuery(headerDiv).css("width", "100%");

jQuery(headerDiv).attr("id", "tableHeaderDiv" tableId);

jQuery(headerDiv).insertBefore(tableOrg.parent());

}