function div_expand(div)
{
        elm = document.getElementById(div);
        
        if (elm.style.display == 'inline')
        {
            elm.style.display = 'none';
        } else if (elm.style.display == 'none')
        {
            elm.style.display = 'inline';
        }
        for (i = 1; i < 10; i++)
        {
        	text = 'tool'+i;
        	if (text != div)
        	{
        		elm2 = document.getElementById(text)
        		if (elm2)
				{
        			elm2.style.display = 'none';
        		}
        	}
        }
}

function image_popup(id)
{
    window.open( "../images/team/"+id+".jpg", "Image", "status = 1, resizable = 1" );
}

function show(classname)
{
	var items = getElementsByClassName(classname, "li", document.getElementById("nav")); 
   for (var i = 0; i < items.length; i++)
   {
   		items[i].style.display = 'block';
   }
   var news = document.getElementById('newsitem');
   if (news)
   {
    	news.style.display = 'none';
   }   
}

function hide(classname)
{
	var items = getElementsByClassName(classname, "li", document.getElementById("nav")); 
   for (var i = 0; i < items.length; i++)
   {
   		items[i].style.display = 'none';
   }
   var news = document.getElementById('newsitem');
   if (news)
   {
    	news.style.display = 'block';
   }     
}

function swaptoolimg(toolnumber)
{
	/*var image = document.getElementById('tool'+toolnumber+'_img');
	var div = document.getElementById('tool'+toolnumber);
	if (image && div)
	{
		if (div.style.display == 'none')
		{
			image.src = 'images/plus.gif';
		} else if (div.style.display == 'inline')
		{
			image.src = 'images/minus.gif';
		}
	}*/
}

/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/	
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};