// JavaScript Document


var last_Anxiety_Disorder = "";
var login_defaultUsernameValue = "username";
var login_defaultPasswordValue = "password";
var login_changedForm = false;

var last_Tab = "";
var all_Tabs = "";




function login_checkForm() {
	if (!login_changedForm) {
		var login_username = document.login_Form.username.value;
		if (login_username == login_defaultUsernameValue ) {
			document.login_Form.username.value = "";
			document.login_Form.password.value = "";
		} else if (login_username == "") {
			document.login_Form.username.value = login_defaultUsernameValue;
			document.login_Form.password.value = login_defaultPasswordValue;
		}
	}
}

function login_changeForm() {
	login_changedForm = true;
}




function showTab(tab_name) {
	hide_Tabs(all_Tabs);
	showDiv(tab_name);
	toggleTab(last_Tab,'tab1_heading_on','tab1_heading_off');
	toggleTab(tab_name,'tab1_heading_on','tab1_heading_off');
	
}


function hide_Tabs(stringOfTabs) {
	var arrayOfTabs = stringOfTabs.split(",");
	//alert("tabs: " + stringOfTabs);
	for (var i=0; i < arrayOfTabs.length; i++) {
		//alert("tab name: " + arrayOfTabs[i]);
		hideDiv(arrayOfTabs[i]);
	}
}




function toggleTab(tab_name,className1, className2) {
	theObject = tab_name + "_heading";
	var tmpObj = document.getElementById(theObject);
	currClass = tmpObj.className;

	if ( currClass == className1 ) {
		newClass = className2;
	} else {
		newClass = className1;
	}

	last_Tab = tab_name;
	tmpObj.className = newClass;
}


function toggleClass(anxiety_name,className1, className2) {
	theObject = anxiety_name + "_heading";
	var tmpObj = document.getElementById(theObject);
	currClass = tmpObj.className;

	if ( currClass == className1 ) {
		newClass = className2;
	} else {
		newClass = className1;
	}

	last_Anxiety_Disorder = anxiety_name;
	tmpObj.className = newClass;
}


function showDiv(divId) {
	divStyle = document.getElementById(divId).style;
	divStyle.display = "block";
}

function hideDiv(divId) {
	divStyle = document.getElementById(divId).style;
	divStyle.display = "none";
}


function toggleDisplay(divId) {
	divStyle = document.getElementById(divId).style;
	if ( (divStyle.display == "block") || (divStyle.display == "") ) {
		divStyle.display = "none";
	} else {
		divStyle.display = "block";
	}
}

function setContents(cID,cHTML) {
	var tmpCnt = document.getElementById(cID);  
	if (cHTML == '') {
		tmpCnt.innerHTML = '&nbsp;';
	} else {
		tmpCnt.innerHTML = cHTML;
	}

}



function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  }
  else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}