var numb = '0123456789';
var lwr = 'abcdefghijklmnopqrstuvwxyz';
var upr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
var special = ' ';

function isValidTextWithNoSpecialCharacters(parm,val) 
{
  if (parm == "") return false;
  for (i=0; i<parm.length; i++) 
  {
    if (val.indexOf(parm.charAt(i),0) == -1) return false;
  }
  return true;
}


function OnCompleteDoNothing()
{
}

function SetTheDivOrSpanToHiddenAndNoDisplay(DivName)
{
	var TheDivOrSpanToBeChanged = document.getElementById(DivName);
	if (document.getElementById(DivName))
	{		
		TheDivOrSpanToBeChanged.style.display = 'none';
		TheDivOrSpanToBeChanged.style.visibility = 'hidden';
	}
}

function SetTheDivOrSpanToVisibleAndDisplayedBlock(DivName)
{
	var TheDivOrSpanToBeChanged = document.getElementById(DivName);
	if (document.getElementById(DivName))
	{		
		TheDivOrSpanToBeChanged.style.display = 'block';
		TheDivOrSpanToBeChanged.style.visibility = 'visible';
	}
}

function SetTheDivOrSpanToVisibleAndDisplayedInline(DivName)
{
	var TheDivOrSpanToBeChanged = document.getElementById(DivName);
	if (document.getElementById(DivName))
	{		
		TheDivOrSpanToBeChanged.style.display = 'inline';
		TheDivOrSpanToBeChanged.style.visibility = 'visible';
	}
}

function OnTimeout(value) 
{
    alert("Could Not Connect to the Server. Please Try Again");
}

function OnError(value) 
{
    alert("Something Went Wrong. Please Try Again");
}



function ReadingPassageLinkPopUp(URL)
{
	var day = new Date();
	var id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=667,height=650,top=50,left=150');");
}


function HideTheExamReadingPassageAndShowTheQuestion()
{
	var TheReadingPassageForTheExamPage = document.getElementById('TheReadingPassageForTheExamPage');
	TheReadingPassageForTheExamPage.style.display = 'none';
}
function ShowPastUsedTags()
{
    if (document.getElementById('PastUsedTags').style.display == 'none')
	    {
		    new Effect.Appear('PastUsedTags');
	        var SpanShowPastTags = document.getElementById('SpanShowPastTags');		
	        SpanShowPastTags.innerHTML = '<a href="javascript:ShowPastUsedTags();">Hide past tags</a>';		    
	    }
	    else
	    {
		    new Effect.Fade('PastUsedTags');
	        var SpanShowPastTags = document.getElementById('SpanShowPastTags');		
	        SpanShowPastTags.innerHTML = '<a href="javascript:ShowPastUsedTags();">Show past tags</a>';	
	    }
	}

function ShowPastUsedTagsQuestions() {
    if (document.getElementById('PastUsedTagsQuestion').style.display == 'none') {
        new Effect.Appear('PastUsedTagsQuestion');
        var SpanShowPastTags = document.getElementById('SpanShowPastTagsQuestions');
        SpanShowPastTags.innerHTML = '<a href="javascript:ShowPastUsedTagsQuestions();">Hide past tags</a>';
    }
    else {
        new Effect.Fade('PastUsedTagsQuestion');
        var SpanShowPastTags = document.getElementById('SpanShowPastTagsQuestions');
        SpanShowPastTags.innerHTML = '<a href="javascript:ShowPastUsedTagsQuestions();">Show past tags</a>';
    }
}