function openWindow (URL, winHeight, winWidth, parameters) {
	xPos = screen.width/2 - winWidth/2;
	yPos = screen.height/2 - winHeight/2;
	
	window.open(URL,'','height='+winHeight+',width='+winWidth+',left='+xPos+',top='+yPos+parameters);
}

//the following two functions swap and revert images
function button_over (buttonName, overImage) {
	document.getElementById(buttonName).src = overImage;
}

function button_up (buttonName, upImage) {
	document.getElementById(buttonName).src = upImage;
}

//the following is a more standard rollover script
function initPage() {
			setNav(p_nav_selected_id, s_nav_selected_id, s_nav_sub_selected_id);
		}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}



//this function controls the navigation
function setNav (p_nav_selected_id, s_nav_selected_id, s_nav_sub_selected_id) {
	//if a primary navigation element is selected on this page
	if (p_nav_selected_id !== "") {
		x = document.getElementById(p_nav_selected_id); 
		x.className = "primaryNavHiLite";
	}
	
	//display secondary navigation
	if (s_nav_selected_id !== "") {
		y = document.getElementById(s_nav_selected_id); 
		y.style.position = "relative";
		y.style.visibility = "visible";
		
	}
	
	//if a secondary navigation sub-element is selected on this page
	if (s_nav_sub_selected_id !== "") {
		z = document.getElementById(s_nav_sub_selected_id);
		z.className = "hiLite";
	}
}
/* Begin Exit Script */

function OutsideLink(URL)	
{
   var writeURL = URL;
   var thisSite="Focus on Dry Eye";
   if (URL.length > 60)
   {
	   writeURL = URL.substr(0, 60) + "...";
   }
   if (confirm("\nThank you for visiting " + thisSite + ".\n\nBy clicking 'OK' you will be taken to \n\n" + writeURL +"   \n\nThis site is not maintained by or affiliated \nwith " + thisSite + " and Allergan, Inc.\n\nThis link has been provided for your \nconvenience, but " + thisSite + " and \nAllergan, Inc. do not endorse and are not \nresponsible for the content, links, privacy, \nor security of information on Web sites \noutside of " + thisSite + "\n\n"))
   {
	   window.open(URL,"_blank");
   }
		
}

/* End Exit Script */

function AllerganLink(URL)	
{
   var writeURL = URL;
   var thisSite="Focus on Dry Eye";
   if (URL.length > 60)
   {
	   writeURL = URL.substr(0, 60) + "...";
   }
   if (confirm("\nThank you for visiting " + thisSite + ".\n\nBy clicking 'OK' you will be taken to: \n\n" + writeURL +"\n\n"))
   {
	   window.open(URL,"_blank");
   }
		
}

/* End Exit Script */