function toggle(elementID) {
var element = document.getElementById(elementID);
    if (element.style.display == "block") {
    element.style.display = "none";
    } else {
    element.style.display = "block";
    }
return false;
}

function showImage(url,title,body) {

	var mainimgflash = document.getElementById('mainImageFlash');
		if (mainimgflash != null) {
			mainimgflash.style.display = "none";
		}
	
	var mainimg = document.getElementById('mainImage');
		if (mainimg != null) {
			mainimg.style.display = "block";
			mainimg.src = url;
		}

	var mainimgtitle = document.getElementById('mainImgTitle');
		if (mainimgtitle != null) {
			mainimgtitle.innerHTML = '<strong>'+title+'</strong>\n'+body+'\n';
		}

}


function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }   
    }
    return (arrReturnElements)
}

function swapMainImg() {
	var mainImageFlash = document.getElementById('mainImageFlash');
		if (mainImageFlash != null) {
			mainImageFlash.style.display = "none";			
		}
	var mainImage = document.getElementById('mainImage');
	var mainImageTitle = document.getElementById('mainImageTitle');	
	if (mainImage != null) {
		mainImage.style.display = "block";		
		var images = this.getElementsByTagName("img");
		if (mainImage != null && images != null && images.length > 0) {
			mainImage.src = this.getAttribute("href");
			mainImage.setAttribute("title",images[0].getAttribute("title"));				
			mainImage.setAttribute("alt",images[0].getAttribute("alt"));				

			if (mainImageTitle != null) {
				while (mainImageTitle.firstChild != null) {
					mainImageTitle.removeChild(mainImageTitle.firstChild);
				}
				var boldTag = document.createElement("b");
				boldTag.appendChild(document.createTextNode(images[0].getAttribute("alt")));				
				mainImageTitle.appendChild(boldTag);
				mainImageTitle.appendChild(document.createTextNode(" "+images[0].getAttribute("title")));
			}
			return false;			
		}					
	}
}

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

function setupImageActuators() {
	var imageActuators = getElementsByClassName(document,"a","mainImgActuator");
	for (i=0; i<imageActuators.length; i++) {
		imageActuators[i].onclick = swapMainImg;
	}	
}

addLoadEvent(setupImageActuators);