// Returns array with page width, height and window width, height
function getPageSize(){ 
      
     var xScroll, 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; 
}

function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}