startList = function() 
{
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
				this.className+=" over";
				}
				node.onmouseout=function() {
				this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}
window.onload=startList;


function roll_over(img_name, img_src)
   {
   document[img_name].src = img_src;
   }
   
// TOGGLE PARAGRAPH
function toggleParagraph(id){
	// FIND ALL PARAGRAPHS
	var paragraphs = document.getElementsByTagName('div');
	for(var i = 0; i < paragraphs.length; i++){
		// FIND PARAGRAPHS WITH SPECIFIC CLASS NAME
		if(paragraphs[i].className == 'toggle-paragraph'){
			// SET THEM TO DISPLAY NONE
			paragraphs[i].style.display = 'none';
		}
	}
	// SET SPECIFIC PARAGRAPH TO DISPLAY BLOCK
	document.getElementById(id).style.display = 'block';
}   
// TOGGLE PARAGRAPH
function toggleHeader(id){
	// FIND ALL PARAGRAPHS
	var paragraphs = document.getElementsByTagName('div');
	for(var i = 0; i < paragraphs.length; i++){
		// FIND PARAGRAPHS WITH SPECIFIC CLASS NAME
		if(paragraphs[i].className == 'toggle-header'){
			// SET THEM TO DISPLAY NONE
			paragraphs[i].style.display = 'none';
		}
	}
	// SET SPECIFIC PARAGRAPH TO DISPLAY BLOCK
	document.getElementById(id).style.display = 'block';
}