//Global variables
var isIE,isNN,isOP ;
var navsq_a = new Image ;
var navsq_b = new Image ;
navsq_a.src = "../IMAGES/navsquare_a.gif" ;
navsq_b.src = "../IMAGES/navsquare_b.gif" ;

/* W3C Images */
var W3C_XHTML_A = new Image ;
var W3C_XHTML_B = new Image ;
var W3C_CSS_A = new Image ;
var W3C_CSS_B = new Image ;
W3C_XHTML_A.src = "../IMAGES/w3c_XHTML1.0_A.gif" ;
W3C_XHTML_B.src = "../IMAGES/w3c_XHTML1.0_B.gif" ;
W3C_CSS_A.src = "../IMAGES/w3c_CSS_A.gif" ;
W3C_CSS_B.src = "../IMAGES/w3c_CSS_B.gif" ;
function chgW3Cimg(imgName,newImg) {
 document.getElementById(imgName).src = eval(newImg + '.src') ;
}

//on-page-open processing
if(navigator.userAgent.indexOf('MSIE') != -1){ isIE = true ; }
if(navigator.userAgent.indexOf('Gecko') != -1){ isNN = true ; }
if(navigator.userAgent.indexOf('Opera') != -1){ isOP = true ; }
window.onresize = PageLoader;

function PageLoader(){
 KeepPageWidth();
 KeepPageHeight();
 DisplayBackgroundImg()
}


function ChgNavImg(imgName,newImg) {
 document.getElementById(imgName).src = eval(newImg + '.src') ;
}


function KeepPageWidth(){
 var Body = document.body ;
 var PageDiv = document.getElementById('PageDiv') ;
 if (isNN){
  if (Body.offsetWidth > PageDiv.offsetWidth){  
	 PageDiv.style.marginLeft = ((Body.offsetWidth / 2) - (PageDiv.offsetWidth / 2)) + "px" ;
  }
	else{
	 PageDiv.style.marginLeft = '' ;
	}
 }
}


function KeepPageHeight(){
 var Body = document.body ;
 if(isNN){
	Body.style.height = screen.height + "px" ;
 }
}


function OpenNewWindow(Location){
 open(Location, 'NewWindow','resizable=no, toolbar=no, location=no, directories=no, status=no, menubar=yes, scrollbars=yes, width=590, height=500')
}


function DisplayBackgroundImg(){
 var Body = document.body ;
 if(Body.offsetWidth < 865){
  Body.style.backgroundImage = "none" ;
 }
 else{
  Body.style.backgroundImage = "url(http://www.arcofbradford.org/IMAGES/background.png)" ;
 }
}