function getPageScroll(){

	var xScroll, yScroll;

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

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

function getPageSize(nWindow){
	
	var xScroll, yScroll;
	
	if(nWindow){
		var nWindow = nWindow;
		var nDocument = nWindow.document;
	}else{
		var nWindow = window;
		var nDocument = document;
	}
	
	if (nWindow.innerHeight && nWindow.scrollMaxY) {	
		xScroll = nWindow.innerWidth + nWindow.scrollMaxX;
		yScroll = nWindow.innerHeight + nWindow.scrollMaxY;
	} else if (nDocument.body.scrollHeight > nDocument.body.offsetHeight){ // all but Explorer Mac
		xScroll = nDocument.body.scrollWidth;
		yScroll = nDocument.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = nDocument.body.offsetWidth;
		yScroll = nDocument.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;

	if (self.innerHeight) {	// all except Explorer
		if(nDocument.documentElement.clientWidth){
			windowWidth = nDocument.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (nDocument.documentElement && nDocument.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = nDocument.documentElement.clientWidth;
		windowHeight = nDocument.documentElement.clientHeight;
	} else if (nDocument.body) { // other Explorers
		windowWidth = nDocument.body.clientWidth;
		windowHeight = nDocument.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 = xScroll;		
	} else {
		pageWidth = windowWidth;
	}

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
	
}


Object.extend(Element, {
	/*getWidth: function(element) {
	   	element = $(element);
	   	return element.offsetWidth; 
	},*/
	setWidth: function(element,w) {
	   	element = $(element);
    	element.style.width = w +"px";
	},
	setHeight: function(element,h) {
   		element = $(element);
    	element.style.height = h +"px";
	},
	setTop: function(element,t) {
	   	element = $(element);
    	element.style.top = t +"px";
	},
	setLeft: function(element,l) {
	   	element = $(element);
    	element.style.left = l +"px";
	},
	setSrc: function(element,src) {
    	element = $(element);
    	element.src = src; 
	},
	setHref: function(element,href) {
    	element = $(element);
    	element.href = href; 
	},
	setInnerHTML: function(element,content) {
		element = $(element);
		element.innerHTML = content;
	}
});