function profPosition(node,color1,color2){
	var links = node.parentNode.getElementsByTagName('span')
	for(i=0;i<links.length;i++){
		links[i].style.backgroundColor = color1
		if(node){
		node.style.backgroundColor = color2
		}
	}
}

function tabPosition(node,class1,class2){
	var tabs = node.parentNode.childNodes;
	for(i=0;i<tabs.length;i++){
		if(tabs[i].nodeType == 1){
			tabs[i].className = class1;
		}
	}
	node.className = class2;
}

function showDiv(node){
	node.style.display='block';
}

function hideDiv(node){
	node.style.display='none';
}

function showMore(node){
//alert(node);
	var links = node.parentNode.childNodes;
	for(i=0;i<links.length;i++){
		if(links[i].nodeType == 1){links[i].style.display='none';}
	}
	node.style.display='block';
}

function hideMore(hidden){
	hidden.style.display='none';
	document.getElementById('default').style.display='block';
}


function removeAllChildren(node){
	if(node){
		while(node.lastChild){
			node.removeChild(node.lastChild);
		}
	}
}

function confirmSubmit(text){
	var agree=confirm(text)
	if (agree)
		return true;
	else
		return false;
}

function createToggle(nodeid){
	var newSpan = document.createElement('span');
	newSpan.setAttribute('class','togglearrow');
	newSpan.setAttribute('className','togglearrow');
	newSpan.onclick = function(){expandCollapse(this,document.getElementById(nodeid))};
	var newImg = document.createElement('img');
	newImg.setAttribute('src','images/expand.gif');
	newImg.setAttribute('alt','expand');
	newSpan.appendChild(newImg);
	return newSpan;	
}

function expandCollapse(node,hidden){
	if(hidden.style.display == 'block'){
		node.childNodes[0].src = "images/expand.gif"
	hidden.style.display = 'none'
	}else{
		node.childNodes[0].src = "images/collapse.gif"
	hidden.style.display = 'block'
	}
}