var daImg;
var daImgTrim;

//Mouseover function
function tabHover(daTab, state) {
	daImg = $(daTab).src;
	daImgTrim= daImg.substring(0,daImg.lastIndexOf("-"))
	if (daTab != activeTab){
		$(daTab).src = daImgTrim + "-" + state + ".gif";
	} 
}

//course switcher
function tabSwitcher(daTab,daDiv) {
	var activeImg = $(activeTab).src;
	var activeImgTrim= activeImg.substring(0,activeImg.lastIndexOf("-"))
	
	daImg = $(daTab).src;
	//alert(daImg);
	daImgTrim= daImg.substring(0,daImg.lastIndexOf("-"))
	//alert(daImgTrim);
	
	if (daTab != activeTab){
		$(daTab).src = daImgTrim + "-at.gif";
		$(activeTab).src = activeImgTrim + "-off.gif";
		$(activeDiv).style.display = "none";
		$(daDiv).style.display = "block";
		activeTab = daTab;
		activeDiv = daDiv;
	}
}

/*Course description Open and Close functions*/
var activeOpenDiv = "description1";
var activeOpenBar = "coursebar1";
var currentBar;

function toggleCourse(daBar, daID) { 
	currentBar = daBar;
	currentDiv = daID;
	if (activeOpenDiv == daID) { 
		Effect.BlindUp($(daID), {duration:.2});
		$(currentBar).className = "coursebarclosed";
		activeOpenDiv = "";
		activeOpenBar = "";
	} 
	else { 
		if (activeOpenDiv != "") { 
			
			$(activeOpenBar).className = "coursebarclosed";
			Effect.BlindUp($(activeOpenDiv), {duration:.2});
			setTimeout(function () { toggleCourseOther(daID); }, 100);
			setTimeout('switchgfx()',500);
		} else { 
			$(currentBar).className = "coursebaropen";
			Effect.BlindDown($(daID), {duration:.2});
		}
		activeOpenDiv = daID;
		activeOpenBar = currentBar;
		setTimeout('switchgfx()',500);
	}
}

function switchgfx() {
	if (activeOpenBar == currentBar){
		$(activeOpenBar).className = 'coursebaropen';
		$(activeOpenDiv).style.display = 'block';
		$(activeOpenDiv).style.height = 'auto';
		
	}
	else {
		$(currentBar).className = 'coursebarclosed';
		$(currentBar).style.display = 'hidden';
	}
}	 

function foo() { }

function toggleCourseOther(daID){
	Effect.BlindDown($(daID), {duration:.2});
	$(currentBar).className = "coursebaropen";
	activeOpenDiv = daID;
	activeOpenBar = currentBar;
}