JS code to select multiple rows from a table

JSP Page

<table id="t20bot" class="grid" width="100%">
<td width="60" onClick="clicked('t20bot',this);" ><bean:write name="row" property='countryName'/></td>

JS Function

function commonClicked(table_name, elem)
{
var rowElem = elem.parentNode;
if(rowElem.className == "rmt-rowClick" )
{
rowElem.className = "";
rowElem.oldClassName = "";
}
else
{
rowElem.className = "rmt-rowClick";
rowElem.oldClassName ="rmt-rowClick";
}
}