var NUM_MEDIA_TABS = 4;

    var retrieveMediaTabContentUrl="/myopencareWEB/getMediaTabContent.do?selectedTab=";

	function manageTabs($TabId, $numTabs){
		for(var j = 1; j < $numTabs + 1; j++){
			var targetTabId = 'tab' + j;
			if(j == $TabId){
				document.getElementById(targetTabId).className='selected';
			}
			else{
				document.getElementById(targetTabId).className='';
			}
		}
	}
	
	var myInterval;
	
    function loadTab($TabId){
    	// highlight tab
    	manageTabs($TabId, NUM_MEDIA_TABS);
        var random = get_random();
        var idField = document.getElementById('mediaTabcontent');
        lines = new Array();
        var request = YAHOO.util.Connect.asyncRequest('Get', retrieveMediaTabContentUrl + $TabId + "&random=" + random, callback);
        idField.innerHTML = message;
    }
    var handleSuccess = function(o){
        if(o.responseText !== undefined){
             document.getElementById('mediaTabcontent').innerHTML = o.responseText;
        }
    }
    var handleFailure = function(o){
        document.getElementById('mediaTabcontent').innerHTML += "failure";
    }
    var callback = {
        success:handleSuccess,
        failure:handleFailure
    }
    function get_random(){
        var ranNum= Math.floor(Math.random()*7589);
        return ranNum;
    }
	var message = "<img src='img/loading.gif' alt='Loading content...' />";