// addToBasket message functions

function getPageSize(){
	var xScroll;
	var yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}	

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

//fades layer in 
function fadeLayerOut(elementId) { 
 var arrayPageSize = getPageSize();
 document.getElementById(elementId).style.top = ((arrayPageSize[1]-arrayPageSize[3]+10))+'px';
 document.getElementById(elementId).style.right = '10px';   
 ie5 = (document.all && document.getElementById); 
 ns6 = (!document.all && document.getElementById); 
 if(fadeLayerOutOpac!= 0){ 
  fadeLayerOutOpac-=1; 
  if(ie5) document.getElementById(elementId).filters.alpha.opacity = fadeLayerOutOpac; 
  if(ns6) document.getElementById(elementId).style.MozOpacity = fadeLayerOutOpac/100; 
  setTimeout("fadeLayerOut('"+elementId+"')", 40); 
 } 
}