struts2 数字验证求和

<td> <input type="text" size="5"  value="<s:property value="myScore"/>"

onblur="
if(this.value>100||this.value<0)
{alert('不能超过该项的最大值！');this.value=0}
else{
document.getElementById('sum_<s:property value="#stCheck.getIndex()" />').value=Number(document.getElementById('sum_<s:property value="#stCheck.getIndex()" />').value)+(Number(this.value)*<s:property value="scorePercet"/>/100);
}
"
onfocus="document.getElementById('sum_<s:property value="#stCheck.getIndex()" />').value=Number(document.getElementById('sum_<s:property value="#stCheck.getIndex()" />').value)-(Number(this.value)*<s:property value="scorePercet"/>/100);"
onkeypress="return event.keyCode>=48&&event.keyCode<=57;"   
  onpaste="var s=clipboardData.getData('text'); if(!/\D/.test(s)) value=s.replace(/^0*/,''); return false;"
   ondragenter="return false;"   
  style="ime-mode:disabled"
  onkeyup=" if(/(^[0-9]*$)/.test(value))value=value.replace(/^0*/, '')"
   name="project_<s:property value="#st.getIndex()" />"   >
   </td>