element=document.all.tags("tr");
count=element.length;
for (i=1;i<count;i++){
  element(i).onmouseover=swapon;
  element(i).onmouseout=swapoff;
  }

function swapon()
{
    if (this.className=="RowItemsStyle")
    {
        this.className="blueon";
    }
    if (this.className=="RowStyle")
    {
        this.className="blueon1";
    }
}
     
function swapoff()
{
    if (this.className=="blueon")
    {
        this.className="RowItemsStyle";
    }
    if (this.className=="blueon1")
    {
        this.className="RowStyle";
    }
}