var preloadFlag = false;
var isNav4, isIE4, isMac;

if (parseInt(navigator.appVersion.charAt(0)) >= 4)
{
  isNav4 = (navigator.appName == "Netscape") ? true : false
  isNav6 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 5) ? true : false
  isIE4  = (navigator.appName.indexOf("Microsoft") != -1) ? true : false
  isMac  = (navigator.platform.indexOf("Mac") != -1) ? true : false
}

function doSubWin(url, winWidth, winHeight)
{
  if (isNav4 || isIE4) {
	var screenPosX,screenPosY;
	screenPosX = (screen.availWidth - winWidth) / 2;
	screenPosY = (screen.availHeight - winHeight) / 2;
	if (isNav4 || isNav6) {
	  window.open(url, 'SQLabs','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight+',screenX='+screenPosX+',screenY='+screenPosY+'');
	}
	if (isIE4) {
	  newwin = window.open(url, 'SQLabs','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight+',left='+screenPosX+',top='+screenPosY+'');    
	}
  }
  else {
	window.open(url, 'SQLabs','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight);
  }
}

function doSubWinScroll(url, winWidth, winHeight)
{
  if (isNav4 || isIE4) {
	var screenPosX,screenPosY;
	screenPosX = (screen.availWidth - winWidth) / 2;
	screenPosY = (screen.availHeight - winHeight) / 2;
	if (isNav4 || isNav6) {
	  window.open(url, 'SQLabs','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1, copyhistory=0,width='+winWidth+',height='+winHeight+',screenX='+screenPosX+',screenY='+screenPosY+'');
	}
	if (isIE4) {
	  newwin = window.open(url, 'SQLabs','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1, copyhistory=0,width='+winWidth+',height='+winHeight+',left='+screenPosX+',top='+screenPosY+'');    
	}
  }
  else {
	window.open(url, 'SQLabs','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1, copyhistory=0,width='+winWidth+',height='+winHeight);
  }
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
mustInitImg = true;
function initImgID() {var di = document.images; if (mustInitImg && di) { for (var i=0; i<di.length; i++) { if (!di[i].id) di[i].id=di[i].name; } mustInitImg = false;}}
function findElement(n,ly) {
	var d = document;
	if (browserVers < 4)		return d[n];
	if ((browserVers >= 6) && (d.getElementById)) {initImgID; return(d.getElementById(n))}; 
	var cd = ly ? ly.document : d;
	var elem = cd[n];
	if (!elem) {
		for (var i=0;i<cd.layers.length;i++) {
			elem = findElement(n,cd.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}
function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (i=0;i<array.length;i+=2) {
			img = null; var n = array[i];
			if (d.images) {
				if (d.layers) {img = findElement(n,0);}
				else {img = d.images[n];}
			}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (!img && d.getElementsByName) {
				var elms = d.getElementsByName(n);
				if (elms) {
					for (j=0;j<elms.length;j++) {
						if (elms[j].src) {img = elms[j]; break;}
					}
				}
			}
			if (img) {img.src = array[i+1];}
		}
	}
}
function changeImages() {
	changeImagesArray(changeImages.arguments);
}

function toggleImages() {
	for (var i=0; i<toggleImages.arguments.length; i+=2) {
		if (selected == toggleImages.arguments[i])
			changeImagesArray(toggleImages.arguments[i+1]);
	}
}

function FormPopupCoupons(tURL, var1, var2) {
	var url = tURL + "?ccode1=" + var1 + "&ccode2=" + var2;
   	var height = 400;            // Height of popup
  	var width = 450;             // Width of popup
   	var att='width=' + width + ',height=' + height;
   	FormPopup1Win=window.open(url,"wmp",att);
}

function FormPopup1() {
	var url="html/getcoupon.php"; // URL of popup content
   	var height = 400;            // Height of popup
  	var width = 450;             // Width of popup
   	var att='width=' + width + ',height=' + height;
   	FormPopup1Win=window.open(url,"wmp",att);
}