function show( _levelId  ) 
{
    var thisLevel = document.getElementById( _levelId );     
    if ( thisLevel.style.display == "none") 
    {
        thisLevel.style.display = "block";

    }
    else 
    {
        hide ( _levelId );
    }
}

function hide( _levelId  ) 
{
    var thisLevel = document.getElementById( _levelId );
    thisLevel.style.display = "none";     
}
function showimg(which) {
document.getElementById(which).style.visibility = 'visible';
}

function hideimg(which)
{
document.getElementById(which).style.visibility = 'hidden';
}

function txtPrompt(ID)
{
document.getElementById(ID).value = "";
document.getElementById(ID).style.color="#000";
}

function txtPromptBlur(ID)
{
document.getElementById(ID).value = "Search by Last Name";
document.getElementById(ID).style.color="#aaa";
}

function togglediv(ID){
	if( document.getElementById(ID).style.display == 'block' ){
		document.getElementById(ID).style.display = 'none';
	}else {
		document.getElementById(ID).style.display = 'block';
	}
}

function expose(ID){

	var allElements = document.getElementsByTagName('optgroup'); 

	//var allElements = document.getElementsByName("coachHide");

	for (var i=0; i < allElements.length; i++) {

		//allElements[i].style.visibility = 'hidden';
    	allElements[i].style.display = 'none';
	}
	
	//document.getElementById(ID).style.visibility = 'visible';
	document.getElementById(ID).style.display = 'block';

}
function dropdown(ID){
	if( document.getElementById(ID).style.display == 'block' ){
		document.getElementById(ID).style.display = 'none';
	}else {
		document.getElementById(ID).style.display = 'block';
	}
}

function hide(ID){
	document.getElementById(ID).style.display = 'none';
	}
	
function lookup(object){

		var name = document.getElementById(object).value;
		//var question = (name.search(document.getElementsByName(name)));
		document.getElementsByName(name).style.display = 'block';

	}