function submitPageForm(formName,pageNo,pageSize){
	var frm=document.getElementsByName(formName)[0];
	var elmPageNo;
	if(typeof(frm.baosteel_page_no)=='undefined'){
		elmPageNo=document.createElement("<input type='hidden' name='baosteel_page_no' />");
	}else{
		elmPageNo=frm.baosteel_page_no;
	}
	var elmPageSize;
	if(typeof(frm.baosteel_page_size)=='undefined'){
		elmPageSize=document.createElement("<input type='hidden' name='baosteel_page_size' />");
	}else{
		elmPageSize=frm.baosteel_page_size;
	}
	elmPageNo.value=pageNo;
	elmPageSize.value=pageSize;
	frm.appendChild(elmPageNo);
	frm.appendChild(elmPageSize);
	frm.submit();
}