/**
 / THIRD FUNCTION
 * getPageSize() by quirksmode.com
 *
 * @return Array Return an array with page width, height and window width, height
 */
function getPageSize() {
	var xScroll, yScroll;
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		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
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			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 = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;
};
/**
 / THIRD FUNCTION
 * getPageScroll() by quirksmode.com
 */
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 getWindowSize() 
{
	var width = 0;
	var height = 0;

	//Non-IE
	if( typeof( window.innerWidth ) == 'number' ) 
	{
		width = window.innerWidth;
		height = window.innerHeight;
	} 
	else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) 
	{
		//IE 6+ in 'standards compliant mode'
		width = document.documentElement.clientWidth;
		height = document.documentElement.clientHeight;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		width = document.body.clientWidth;
		height = document.body.clientHeight;
	}
	
	return new Array(width,height);
}

function getPageSize()
{
	var pageWidth = 0, pageHeight = 0;
	
	if (window.innerHeight && window.scrollMaxY) 
	{
		pageWidth = document.body.scrollWidth;
		pageHeight = window.innerHeight + window.scrollMaxY;
    } 
	else if (document.body.scrollHeight > document.body.offsetHeight) 
	{
		pageWidth = document.body.scrollWidth;
		pageHeight = document.body.scrollHeight;
	} 
	else 
	{
		pageWidth = document.body.offsetWidth;
		pageHeight = document.body.offsetHeight;
	}
	
	return new Array(pageWidth,pageHeight);
}

function getScrollOffset() 
{	
	var offsetX = 0, offsetY = 0;
	
	if (self.pageYOffset) 
	{
		offsetX = self.pageXOffset;
		offsetY = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) {
		// Explorer 6 Strict
		offsetX = document.documentElement.scrollLeft;
		offsetY = document.documentElement.scrollTop;
	} else if (document.body) {
		// all other Explorers
		offsetX = document.body.scrollLeft;
		offsetY = document.body.scrollTop;
	};
	
	return new Array(offsetX,offsetY);
}

function getBrowser()
{
    var browser = '';
    if(window.clipboardData && document.compatMode)
    {
        browser=window.XMLHttpRequest? 'ie7' : 'ie6';
    }
    else if(window.clipboardData)
    {
        browser='ie5';
    }
    
    return browser;
}
