Export HTML Table to EXCEL in Java script

I am new to Java script.i need to export table from HTML to Excel. My table consists of Name,Age,Date,Amount and image column with small image. code goes here..

function downloadsalesreport () {

                var cache = {};

                this.tmpl = function tmpl(str, data) {
                    // Figure out if we're getting a template, or if we need to
                    // load the template - and be sure to cache the result.
                    var fn = !/\W/.test(str) ?
                      cache[str] = cache[str] ||
                        tmpl(document.getElementById(str).innerHTML) :

                      // Generate a reusable function that will serve as a template
                      // generator (and which will be cached).
                      new Function("obj",
                        "var p=[],print=function(){p.push.apply(p,arguments);};" +

                        // Introduce the data as local variables using with(){}
                        "with(obj){p.push('" +

                        // Convert the template into pure JavaScript
                        str.replace(/[\r\t\n]/g, " ")
                              .split("{{").join("\t")
                              .replace(/((^|}})[^\t]*)'/g, "$1\r")
                              .replace(/\t=(.*?)}}/g, "',$1,'")
                              .split("\t").join("');")
                              .split("}}").join("p.push('")
                              .split("\r").join("\\'")
                              + "');}return p.join('');");

                    // Provide some basic currying to the user
                    return data ? fn(data) : fn;
                };


 var tableToExcel = (function () {
 var uri = 'data:application/vnd.ms-excel;base64,',
                    template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{{=worksheet}}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body>{{for(var i=0; i<tables.length;i++){ }}<table>{{=tables[i]}}</table>{{ } }}</body></html>',
                base64 = function (s) { return window.btoa(unescape(encodeURIComponent(s))) },
                format = function (s, c) { return s.replace(/{(\w+)}/g, function (m, p) { return c[p]; }) }
                return function (tableList, name) {
                    if (!tableList.length > 0 && !tableList[0].nodeType) table = document.getElementById("#tablesalesentry")
                    var tables = [];
                    for (var i = 0; i < tableList.length; i++) { tables.push(tableList[i].innerHTML); }
                    var ctx = { worksheet: name || 'Worksheet', tables: tables };
                    window.location.href = uri + base64(tmpl(template, ctx))
                }
            })();

            tableToExcel(document.getElementsByTagName("table"), "one");

        }

it works perfectly but my problem is in Excel,images are not aligned properly. In Excel cells which consists of images are collapsed but remaining data(Name,Age,Date,Amount) are perfectly arranged. if not please suggest me any idea regarding export table to excel.

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