function getHTTPObject(){
if (window.ActiveXObject) 
return new ActiveXObject("Microsoft.XMLHTTP");
else if (window.XMLHttpRequest) 
return new XMLHttpRequest();
else {
alert("Your browser is terrible and is not supported by this site.");
return null;
}
}

function executePHP(file){
httpObject = getHTTPObject();
if (httpObject != null) {
httpObject.open("POST", file, true);
httpObject.send(null);
httpObject.onreadystatechange = setOutput;
}
}
function setOutput(){
if(httpObject.readyState == 4){	
var response=httpObject.responseText;
if(response == "updatecoaches.php")alert('Uh oh, the calculated number of teams does not match the number of teams indicated by coaches.csv');

}
}

function TeXPreview(tex){
httpObject = getHTTPObject();
//tex=escape(tex);
var params="tex="+tex;
if (httpObject != null) {
httpObject.open("POST", "/vmt/libraries/latex/preview.php", true);
httpObject.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
httpObject.setRequestHeader("Content-length", params.length);
httpObject.setRequestHeader("Connection", "close");
httpObject.send(params);
httpObject.onreadystatechange = displayimage;
}
}

function displayimage(){
if(httpObject.readyState == 4){	
var response=httpObject.responseText;
  win = window.open(", ", 'popup', 'toolbar = no, status = no,resizable=1,width=600,height=400');
  win.document.write("" + response + "");
 win.document.close();
}

}

PositionX = 100;
PositionY = 100;

// Set these value approximately 20 pixels greater than the
// size of the largest image to be used (needed for Netscape)

defaultWidth  = 500;
defaultHeight = 500;

// Set autoclose true to have the window close automatically
// Set autoclose false to allow multiple popup windows

var AutoClose = true;

// Do not edit below this line...
// ================================
if (parseInt(navigator.appVersion.charAt(0))>=4){
var isNN=(navigator.appName=="Netscape")?1:0;
var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}
var optNN='scrollbars=no,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=no,width=150,height=100,left='+PositionX+',top='+PositionY;
function popImage(imageURL,imageTitle){
if (isNN){imgWin=window.open('about:blank','',optNN);}
if (isIE){imgWin=window.open('about:blank','',optIE);}
with (imgWin.document){
writeln('<html><head><title>Loading...</title><style>body{margin:0px;}</style>');writeln('<sc'+'ript>');
writeln('var isNN,isIE;');writeln('if (parseInt(navigator.appVersion.charAt(0))>=4){');
writeln('isNN=(navigator.appName=="Netscape")?1:0;');writeln('isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}');
writeln('function reSizeToImage(){');writeln('if (isIE){');writeln('window.resizeTo(300,300);');
writeln('width=300-(document.body.clientWidth-document.images[0].width);');
writeln('height=300-(document.body.clientHeight-document.images[0].height);');
writeln('window.resizeTo(width,height);}');writeln('if (isNN){');       
writeln('window.innerWidth=document.images["George"].width;');writeln('window.innerHeight=document.images["George"].height;}}');
writeln('function doTitle(){document.title="'+imageTitle+'";}');writeln('</sc'+'ript>');
if (!AutoClose) writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()">')
else writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()" onblur="self.close()">');
writeln('<img name="George" src='+imageURL+' style="display:block"></body></html>');
close();		
}}

