var alreadyrunflag=0 //flag to indicate whether target function has already been run

if (document.addEventListener) {
	document.addEventListener("DOMContentLoaded", function(){
		alreadyrunflag=1;
		addBGAlpha('footer','0.6');
		addBGAlpha('sideNav','0.3');
		addBGAlpha('main','0.4');
		addBGAlpha('aside','0.5');
		addBGAlpha('headerContainer','0.3');
		splitNav();
		addToHeader();
		addToFooter();
		addToSideNavTop();
	}, false);
}
		
else if (document.all && !window.opera){
	document.write('<script type="text/javascript" id="contentloadtag" defer="defer" src="javascript:void(0)"><\/script>');
	var contentloadtag=document.getElementById("contentloadtag");
	contentloadtag.onreadystatechange=function(){
		if (this.readyState=="complete"){
			alreadyrunflag=1;
			addBGAlpha('footer','0.6');
			addBGAlpha('sideNav','0.3');
			addBGAlpha('main','0.4');
			addBGAlpha('aside','0.5');
			addBGAlpha('headerContainer','0.3');
			splitNav();
			addToHeader();
			addToFooter();
			addToSideNavTop();
		}
	}
}