function removeStyle(obj)
{
    obj.value="";
    obj.style.color="black";
}

function setStyle(obj)
{
    if(obj.value=="")
    {
        obj.value="Keyword, Title, ISBN, Author";

        obj.style.color="#999999";
    } else {
        obj.style.color="black";
    }

}

function validatePanelInput()
{
    var shool_obj = document.getElementById("shoolId");
    var question_categoryMenu_obj = document.getElementById("question_category");
    var tutor_categoryMenu_obj = document.getElementById("tutor_category");
    var	keyword = document.getElementById("keyword").value;
	
	var shool_obj_value = "0";
	var tutor_obj_value = "0";	
	var question_obj_value = "0";		
	
	// check if Schools Menu object is not null
	if(shool_obj!=null)
	{
	    shool_obj_value = shool_obj.options[shool_obj.selectedIndex].value;
		if(shool_obj_value=="0")
	    {
	        alert("Please select School or Region");
	        return false;
	    } else {
	        return true;
	    }
    }
	
	// check if Question Menu object is not null
	if(question_categoryMenu_obj!=null)
	{
	    question_obj_value = question_categoryMenu_obj.options[question_categoryMenu_obj.selectedIndex].value;
		if(question_obj_value=="0")
	    {
	        alert("Please select Question Subject");
	        return false;
	    } else {
           return true;
      }
    }
	
	
	// check if Question Menu object is not null
	if(tutor_categoryMenu_obj!=null)
	{
	    tutor_obj_value = tutor_categoryMenu_obj.options[tutor_categoryMenu_obj.selectedIndex].value;
		if(tutor_obj_value=="0")
	    {
	        alert("Please select Tutorial Subject");
	        return false;
	    } else {
		    return true;
		
	    }
		
	
    }

	
	
}