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 loginBox(){
	var arrayPageSize=getPageSize();
	document.getElementById('loginBoxWrapper').style.height=(arrayPageSize[1]+'px');
	document.getElementById('loginBoxWrapper').style.display='block';
	document.getElementById('loginBox').style.display='block';
}
function loginBoxClose(){
	document.getElementById('loginBox').style.display='none';
	document.getElementById('loginBoxWrapper').style.display='none';
}