// JavaScript Document
var isPost = false;
function validateFormPaging(objForm,objTotalPage)
{
	if  ( isPost ) {
		alert("You have press the SUBMIT button already");
		return false;
	} 
	else if ( IsEmpty(objForm.page.value)){
		Warning(objForm.page , "Please specify page number");
		return false;
	} 
	else if  ( !IsNum(objForm.page.value))  {
		Warning(objForm.page ,"Page number must contain a number");
		return false;
	}
	else if (( objForm.page.value < 1 )||( objForm.page.value > objTotalPage ))  {
		Warning(objForm.page ,"Page number must contain a number between 1 and "+objTotalPage);
		return false;
	}
	else {
		isPost = true;
		//objForm.btnSearch.disabled = true;
		return true;
	}
}