function imageOver(obj){
     var srcName = obj.src;
     obj.src = srcName.replace("-off.","-over.");
}
function imageOut(obj){
     var srcName = obj.src;
     obj.src = srcName.replace("-over.","-off.");
}
function imageClick(obj){
     var srcName = obj.src;
     obj.src = srcName.replace("-over.","-on.");
}
//Choose random image for home page
var backgroundSrcs = new Array("images/home/homeHead1.jpg","images/home/homeHead2.jpg","images/home/homeHead3.jpg") 
function pickimage() {  
var bgimage=backgroundSrcs[(Math.round(Math.random()*(backgroundSrcs.length-1)))]  
document.getElementById("Main").style.backgroundImage = "url('" + bgimage + "')"; 
} 
//////end choose random image/////////////////////
function showPopUp(url,w,h){
	var iTop,iLeft,settings
	var popupWin
			
	iLeft=(screen.width)?(screen.width-w)/2:100;
	iTop=(screen.height)?(screen.height-h)/2:100;
		
	settings='width='+w+',height='+h+',top='+iTop+',left='+iLeft+',scrollbars=auto,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	
	popupWin = window.open(url,"",settings);
	self.name = "mainWin"; 
	popupWin.focus();
	
	return false;
	}

function showPopUpScrollable(url,w,h){
	var iTop,iLeft,settings
	var popupWin
			
	iLeft=(screen.width)?(screen.width-w)/2:100;
	iTop=(screen.height)?(screen.height-h)/2:100;
		
	settings='width='+w+',height='+h+',top='+iTop+',left='+iLeft+',scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';
	
	popupWin = window.open(url,"",settings);
	popupWin.focus();
	
	return false;
	
}