var realWdt;
var realHgt;
var siteWdt=1230;
var siteHgt=0;
var debug;
var sDiv;
var cDiv;

var agent=navigator.userAgent.toLowerCase();
var isIPhone = agent.indexOf('iphone') != -1;

function getDimensions() {
	if (window.innerHeight) {
		realWdt = window.innerWidth;
		realHgt = window.innerHeight;
	} else if (document.body.clientHeight > 0) {
		realWdt = document.body.clientWidth;
		realHgt = document.body.clientHeight;
	} else {
		realWdt = document.body.parentNode.clientWidth;
		realHgt = document.body.parentNode.clientHeight;
	}
}
function initResizer() {
	var bDiv=domID('backImageDiv');
	var bImg=domID('backImg');
	bImg.orgWdt = bImg.width;
	bImg.orgHgt = bImg.height;
	
	window.onresize=function() {
		getDimensions();
		//
		var stageWdt=Math.max(siteWdt, realWdt)
		var stageHgt=Math.max(siteHgt, realHgt)
		var screenRatio=stageWdt/stageHgt
		var picRatio=bImg.orgWdt/bImg.orgHgt
		if (screenRatio>picRatio) {
			var newScale=stageWdt/bImg.orgWdt
		} else {
			var newScale=stageHgt/bImg.orgHgt
		}
		domID('mainDiv').style.width = stageWdt+"px";
		
		//footer.style.position = realWdt<siteWdt ? "relative" : "absolute";
		//bImg.width=bImg.orgWdt*newScale;
		//bImg.height=bImg.orgHgt*newScale;
		bDiv.style.left = (stageWdt-bImg.width)/2+"px";
		//bDiv.style.top = (stageHgt-bImg.height)/2+"px";
		//domID('centerDiv').style.left = stageWdt/2-600+"px";
		if (bImg.orgWdt) bDiv.style.visibility='visible';
		
		if (!isIPhone) {

		} else {
			domID('backDiv').style.visibility="hidden";
		}
		
	}
	//
	window.onresize();
}