//image rollover for hornav with current section highlighted 
function navRollOver (whichNav,imageFileType) {	
	var rollOverSuffix = "-hover";
	var whichNav = whichNav.replace(/^\s+|\s+$/g,'');
	var imageFileType = imageFileType.replace(/^\s+|\s+$/g,'');
	var imagePath = "/i/"+whichNav+"/hornav-";
	var navRoot = document.getElementById(whichNav);	var args = getArgs();	
	for(i=0; i<navRoot.childNodes.length; i++){
		node0 = navRoot.childNodes[i];
		if(node0.nodeName=='A'){
			for(a=0; a<node0.childNodes.length; a++){
				node1=node0.childNodes[a];
				if(node1.nodeName=="IMG"){
					node1.onmouseover=function(){
						srcactive = imagePath+this.id+rollOverSuffix+imageFileType;
						this.src = srcactive;						
					}
					node1.onmouseout=function(){						
						if (
							(this.id=="collegeprograms" && args=="college-programs")||
							(this.id=="choosingaschool" && args=="choosing-a-school")||
							(this.id=="biblecollege" && args=="bible-college")||
							(this.id=="militaryschool" && args=="military-school")||
							(this.id=="onlineprograms" && args=="online-college-programs")||
							(this.id=="studentlife" && args=="student-life")||
							(this.id=="careertraining" && args=="career-training")
						) {
							src = imagePath+this.id+rollOverSuffix+imageFileType;
						} else {
							src = imagePath+this.id+imageFileType;	
						}						
						this.src = src;
					}
				}
			}
		}
	}
}

//returns the current section to navRollOver
function getArgs() {
	var url = document.URL;
	var whichPageArray=url.split("/");
	return whichPageArray[3];
}

//hide the userForm div on interface.asp when page loads
function hideUserForm() {	
	document.getElementById("userForm").style.display="none";
	document.getElementById("readcommentsbutton").disabled=true;
}

//control the hide/reveal of the userForm div
function myUserFormFunction(whichButton) {	
	var writeItem="writeacommentbutton";
	var readItem="readcommentsbutton";
	document.getElementById(whichButton).disabled=true;
	document.getElementById(whichButton).src="/i/comments/"+whichButton+"-hover.gif";
	if (whichButton==writeItem) {		
		document.getElementById(readItem).src="/i/comments/"+readItem+".gif";
		new Effect.SlideDown('userForm', {
			duration: 0.2,
			afterFinish: finishSlideDown
		});	
	} else {
		document.getElementById(writeItem).src="/i/comments/"+writeItem+".gif";
		new Effect.SlideUp('userForm', {
			duration: 0.2,
			afterFinish: finishSlideUp
		});			
	}	
}

function finishSlideDown() {
	document.getElementById("readcommentsbutton").disabled=false;
}

function finishSlideUp() {
	document.getElementById("writeacommentbutton").disabled=false;
}