//VAILDATE Add Subject
	function Validate_Subject()
	{
		//alert("okkkkkkk");
		if(document.subject_form.subject.value.trim() == '')
		{
			alert('Please enter subject name.');
			document.subject_form.subject.focus();
			return false;
		}
		return true;
	}

//VAILDATE Add Teacher
	function Validate_Teacher()
	{
		//alert("okkkkkkk");
		if(document.teacher_form.subject.value.trim() == '')
		{
			alert('Please select subject.');
			document.teacher_form.subject.focus();
			return false;
		}
		if(document.teacher_form.teacher.value.trim() == '')
		{
			alert('Please enter teacher name.');
			document.teacher_form.teacher.focus();
			return false;
		}
		return true;
	}

//VAILDATE Add Work
	function Validate_Work()
	{
		//alert("okkkkkkk");
		if(document.work_form.subject.value.trim() == '')
		{
			alert('Please select subject.');
			document.work_form.subject.focus();
			return false;
		}
		if(document.work_form.teacher.value.trim() == '')
		{
			alert('Please select teacher name.');
			document.work_form.teacher.focus();
			return false;
		}
		if(document.work_form.name.value.trim() == '')
		{
			alert('Please enter the title.');
			document.work_form.name.focus();
			return false;
		}
		/*if(document.work_form.image.value.trim() == '')
		{
			alert('Please select Ppt, Pdf, Word.');
			document.work_form.image.focus();
			return false;
		}*/
		return true;
	}