var serveraddr = "http://www.tangopalatset.se/";
function animateMainFrame(millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;
	var opacStart = 0;
	var opacEnd = 100;
	if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpMF(" + i + ")",(timer * speed));
			timer++;
		}
	}
}
function changeOpMF(opacity) {
	var backEnd = -1;
	if(opacity <= backEnd){
		var object = document.getElementById("divMainFrameBack").style; 
		object.opacity = (opacity / 100);
		object.MozOpacity = (opacity / 100);
		object.KhtmlOpacity = (opacity / 100);
		object.filter = "alpha(opacity=" + opacity + ")";
	}
	var object = document.getElementById("divPageContent").style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}