var popupWindow = null;
var	fileName = " ";

function confirmit() {
	if (confirm("You are about to be logged out of IVIS. Continue?")) {
		parent.location="/logout.asp";
	}
}

function inprep() {
	alert("This document will be available soon.");
	}

function forsale() {
	alert("This chapter is presently only available in hardcopy.  Contact IVIS to buy a copy of this book.");
	}
	
function unavailable() {
	alert("Document unavailable.");
	}

function closePopupWindows() {
	if (popupWindow != null) if(!popupWindow.closed)	popupWindow.close();
}

function displayInfo() {	
	closePopupWindows();
	popupWindow	=window.open(fileName,"myWindow","height=700,width=510,left=270,top=115,screenX=400,screenY=115,toolbar=no,directories=no,status=no,scrollbars=yes,resizable,menubar=no");
}

function displayInfo2() {	
	closePopupWindows();
	popupWindow	=window.open(fileName,"myWindow","height=300,width=580,left=100,top=100,screenX=100,screenY=100,toolbar=no,directories=no,status=no,scrollbars=yes,resizable,menubar=no");
}

function displayTip() {	
	closePopupWindows();
	popupWindow	=window.open(fileName,"myWindow","height=200,width=450,left=270,top=115,screenX=400,screenY=115,toolbar=no,directories=no,status=no,scrollbars=yes,resizable,menubar=no");
}

function displayRef() {	
	closePopupWindows();
	popupWindow=window.open(fileName,"myWindow","height=300,width=600,left=20,top=115,screenX=20,screenY=115,toolbar=no,directories=no,status=no,scrollbars=yes,resize=no,menubar=no");
}

function displayProd() {	
	closePopupWindows();
popupWindow=window.open(fileName,"myWindow","height=450,width=760,left=10,top=25,screenX=10,screenY=25,toolbar=no,directories=no,status=no,scrollbars=yes,resize=no,menubar=no");
}

function displayFig2() {	
	closePopupWindows();
	popupWindow=window.open(fileName,"myWindow","height=600,width=800,left=10,top=15,screenX=10,screenY=15,toolbar=no,directories=no,status=no,scrollbars=yes,resizable,menubar=no");
}
function displayFigSmall() {	
	closePopupWindows();
	popupWindow=window.open(fileName,"myWindow","height=400,width=600,left=10,top=15,screenX=10,screenY=15,toolbar=no,directories=no,status=no,scrollbars=yes,resizable,menubar=no");
}

function displayVideo() {	
	closePopupWindows();
	popupWindow	=window.open(fileName,"myWindow","height=400,width=400,left=220,top=115,screenX=300,screenY=115,toolbar=no,directories=no,status=yes,scrollbars=yes,resize=no,menubar=no");
}

function displayFlash() {	
	closePopupWindows();
	popupWindow=window.open(fileName,"myWindow","height=480,width=400,left=220,top=115,screenX=300,screenY=115,toolbar=no,directories=no,status=yes,scrollbars=yes,resize=no,menubar=no");
}

function displayRefV() {	
	closePopupWindows();
	popupWindow=window.open(fileName,"myWindow","height=480,width=560,left=100,top=50,screenX=20,screenY=50,toolbar=no,directories=no,status=no,scrollbars=no,resize=no,menubar=no");
}

function displaySponsor() {	
	closePopupWindows();
	popupWindow=window.open(fileName,"myWindow","height=430,width=470,left=100,top=50,screenX=20,screenY=50,toolbar=no,directories=no,status=no,scrollbars=yes,resize=no,menubar=no");
}