// clear/restore email input
function clearText(field){
	if (field.value == "Enter Course Number or Prefix:"){
		field.value = "";
	}
}
function restoreText(field){
	if (field.value == ""){
		field.value = "Enter Course Number or Prefix:";
	}
}
function pipeSwitch(pipeNum){
	if (document.getElementById('nav' + pipeNum).src.indexOf("_on.gif") == -1){ 
		if (document.getElementById('navpipe' + pipeNum).className == "navpipe"){
			document.getElementById('navpipe' + pipeNum).className = "navpipeon";
		} else {
			document.getElementById('navpipe' + pipeNum).className = "navpipe";
		}
	}
}
function pipeCheck(){
	for (x=1;x<=8;x++){					
		if (document.getElementById('nav' + x).src.indexOf("_on.gif") != -1){
			document.getElementById('navpipe' + x).className = "navpipeon"
		}
	}
}
function classSwitchOver(navItem){
	if (navItem.className == "secondLevelOff"){
		navItem.style.background = "#fbf6ec url(/cps/images/leftnavArrow.gif) no-repeat";
		navItem.style.backgroundPosition = "185px 10px";
		navItem.style.paddingRight = "20px";
		navItem.style.fontSize = "12px";
		navItem.style.paddingTop = "7px";
		navItem.style.paddingBottom = "7px";
		navItem.style.borderBottom = "1px solid #ded7c6";
		navItem.style.paddingLeft = "15px";
		var switched = true;
	} 
	if (navItem.className == "thirdLevelOff"){
		navItem.style.background = "#fbf6ec url(/cps/images/spacer.gif) no-repeat";
		navItem.style.backgroundPosition = "185px 10px";
		navItem.style.paddingRight = "20px";
		navItem.style.fontSize = "11px";
		navItem.style.paddingTop = "7px";
		navItem.style.paddingBottom = "7px";
		navItem.style.borderBottom = "1px solid #ded7c6";
		navItem.style.paddingLeft = "22px";
		var switched = true;
	}
	if (navItem.className == "fourthLevelOff"){
		navItem.style.background = "#fbf6ec url(/cps/images/spacer.gif) no-repeat";
		navItem.style.backgroundPosition = "185px 10px";
		navItem.style.paddingRight = "20px";
		navItem.style.fontSize = "11px";
		navItem.style.paddingTop = "7px";
		navItem.style.paddingBottom = "7px";
		navItem.style.borderBottom = "1px solid #ded7c6";
		navItem.style.paddingLeft = "28px";
		var switched = true;
	}
}
function classSwitchOut(navItem){				
	if (navItem.className == "secondLevelOff"){
		navItem.style.background = "#f6ebd6";
		navItem.style.paddingRight = "20px";
		navItem.style.fontSize = "12px";
		navItem.style.paddingTop = "7px";
		navItem.style.paddingBottom = "7px";
		navItem.style.borderBottom = "1px solid #ded7c6";
		navItem.style.paddingLeft = "15px";
	}
	if (navItem.className == "thirdLevelOff"){
		navItem.style.background = "#f6ebd6";
		navItem.style.paddingRight = "20px";
		navItem.style.fontSize = "11px";
		navItem.style.paddingTop = "7px";
		navItem.style.paddingBottom = "7px";
		navItem.style.borderBottom = "1px solid #ded7c6";
		navItem.style.paddingLeft = "22px";
	}
	if (navItem.className == "fourthLevelOff"){
		navItem.style.background = "#f6ebd6";
		navItem.style.paddingRight = "20px";
		navItem.style.fontSize = "11px";
		navItem.style.paddingTop = "7px";
		navItem.style.paddingBottom = "7px";
		navItem.style.borderBottom = "1px solid #ded7c6";
		navItem.style.paddingLeft = "28px";
		
	}
}