// Wellards Script

// Presentational

function showLoadingBar() {
	$('#loadingBar').modal({overlay: 40} );
}

function showAndHide(clicked, shown, hidden){
    var currentSection = clicked+'Content';
	
	
	// Hide all content divs and reset Tab styling
	var elems = getElementsByClassName(document, shown)
     for(var i = 0; i < elems.length; i++)
     {
        elems[i].className = hidden
     }
	
	// Change current Tab and Show current Tab content
	document.getElementById(clicked).className = shown;
}

function getElementsByClassName(node, classname)
{
    var a = [];
    var re = new RegExp('\\b' + classname + '\\b');
    var els = node.getElementsByTagName("*");
    for(var i=0,j=els.length; i<j; i++)
        if(re.test(els[i].className))a.push(els[i]);
    return a;
}

function showAskProfForm(formId, buttonId)
{
    
    if (document.getElementById(formId).className=='askProfHide'){
        document.getElementById(formId).className = 'askProfShow';  
        var elems=getElementsByClassName(document,'askProfButton');
        for(i=0;i<elems.length;i++)
        {elems[i].className = 'askProfHide';}
    }
    
    window.location=window.location+'#askProfessor';
}