// Common Javascript Functions
															/** FUNCTIONS **/
// JavaScript Document

function showLogin(trigger)
	{
		var el = document.getElementById(trigger);
	
		if ( el.style.display == 'block' ) 
			{
				el.style.display = 'none';
			}
        else 
            {    			
    			el.style.display = 'block';
			}
	}


function showLayer(showSubject,showTarget)
{
  if( document.getElementById && document.getElementsByTagName ) /*make sure the browser supports these*/
	{
		if((document.getElementById(showSubject))&&(document.getElementById(showTarget)))/*check if the trigger and target ID exists*/
		{
			var subject_items = showSubject.getElementsbyName('li');/*extract all LI items*/
			var first_link = subject_items[0]; /*Pick the first one*/
			showTarget.style.display = 'none'; /*hide the item by default*/
			
				first_link.onclick = function()
					{
						if (showTarget.style.display == 'block' ) 
							{
								showTarget.style.display = 'none';
							}
						else 
							{
								showTarget.style.display = 'block';
							}
					};
		}
	}
}


function get_firstchild(n)
{
	x=n.firstChild;
	while (x.nodeType == 1)
	  {
		x=x.nextSibling;
	  }
	return x;
}


function displayrhs(element, tabname)
{
	document['tab_img1'].src = "images/PA-MostViewed-off.gif";
	document['tab_img2'].src = "images/PA-MostEmaild-off.gif";
	document['tab_img3'].src = "images/PA-MostRecommend-off.gif";
	
		if ( tabname == 'tab1' ) 
		 {
			document['tab_img1'].src = "images/PA-MostViewed-on.gif";
		 }
        else if ( tabname == 'tab2' )
         {    			
			document['tab_img2'].src = "images/PA-MostEmaild-on.gif";
		 }
		else if(tabname == 'tab3')
		 {
			document['tab_img3'].src = "images/PA-MostRecommend-on.gif";
		 }


	
	var myDiv = document.getElementById(element).value;
	//var myDiv1 = get_firstchild(myDiv);
	//var myText = myDiv1.html;
	document.getElementById('display_area').innerHTML=myDiv;
	document.getElementById('display_area').style.visibility="visible";
}

function displayrhsw(element, tabname)
{
	document['tab_img1'].src = "images/PA-MostViewed-wide-off.gif";
	document['tab_img2'].src = "images/PA-MostEmaild-wide-off.gif";
	document['tab_img3'].src = "images/PA-MostRecommend-wide-off.gif";
	
		if ( tabname == 'tab1' ) 
		 {
			document['tab_img1'].src = "images/PA-MostViewed-wide-on.gif";
		 }
        else if ( tabname == 'tab2' )
         {    			
			document['tab_img2'].src = "images/PA-MostEmaild-wide-on.gif";
		 }
		else if(tabname == 'tab3')
		 {
			document['tab_img3'].src = "images/PA-MostRecommend-wide-on.gif";
		 }


	
	var myDiv = document.getElementById(element).value;
	//var myDiv1 = get_firstchild(myDiv);
	//var myText = myDiv1.html;
	document.getElementById('display_area').innerHTML=myDiv;
	document.getElementById('display_area').style.visibility="visible";
}

// nothing yet

function displayrhsw_col1(element, tabname)
{
	document['tab_img1'].src = "images/PA-MostViewed-reg-off.gif";
	document['tab_img2'].src = "images/PA-MostEmaild-reg-off.gif";
	document['tab_img3'].src = "images/PA-MostRecommend-reg-off.gif";
	
		if ( tabname == 'tab1' ) 
		 {
			document['tab_img1'].src = "images/PA-MostViewed-reg-on.gif";
		 }
        else if ( tabname == 'tab2' )
         {    			
			document['tab_img2'].src = "images/PA-MostEmaild-reg-on.gif";
		 }
		else if(tabname == 'tab3')
		 {
			document['tab_img3'].src = "images/PA-MostRecommend-reg-on.gif";
		 }


	
	var myDiv = document.getElementById(element).value;
	//var myDiv1 = get_firstchild(myDiv);
	//var myText = myDiv1.html;
	document.getElementById('display_area').innerHTML=myDiv;
	document.getElementById('display_area').style.visibility="visible";
}


function displayrhsw_conference(element, tabname)
{
	document['tab_img1'].src = "images/tab_about_btn_off.gif";
	document['tab_img2'].src = "images/tab_agenda_btn_off.gif";
	document['tab_img3'].src = "images/tab_register_btn_off.gif";
	document['tab_img4'].src = "images/tab_speakers_btn_off.gif";
	document['tab_img5'].src = "images/tab_sponsors_btn_off.gif";
	
		if ( tabname == 'tab1' ) 
		 {
			document['tab_img1'].src = "images/tab_about_btn_on.gif";
		 }
    else if ( tabname == 'tab2' )
         {    			
			document['tab_img2'].src = "images/tab_agenda_btn_on.gif";
		 }
		else if(tabname == 'tab3')
		 {
			document['tab_img3'].src = "images/tab_register_btn_on.gif";
		 }
		else if(tabname == 'tab4')
		 {
			document['tab_img4'].src = "images/tab_speakers_btn_on.gif";
		 }
		else if(tabname == 'tab5')
		 {
			document['tab_img5'].src = "images/tab_sponsors_btn_on.gif";
		 }


	
	var myDiv = document.getElementById(element).value;
	//var myDiv1 = get_firstchild(myDiv);
	//var myText = myDiv1.html;
	document.getElementById('display_area').innerHTML=myDiv;
	document.getElementById('display_area').style.visibility="visible";
}


															/** END **/