function returnViewPortHeight() {
	var myWidth;
	var myHeight; //This is all we need
	if( typeof( window.innerWidth ) == 'number' ) { 
		//Non-IE 
		myWidth = window.innerWidth;
		myHeight = window.innerHeight;  
	} else if( document.documentElement && 
	( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) { 
		//IE 6+ in 'standards compliant mode' 
		myWidth = document.documentElement.clientWidth; 
		myHeight = document.documentElement.clientHeight;
		//alert('I am Internet Explorer');
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) { 
		//IE 4 compatible 
		myWidth = document.body.clientWidth; 
		myHeight = document.body.clientHeight; 
	}
	return myHeight;
}
function returnViewPortWidth() {
	var myWidth;
	if( typeof( window.innerWidth ) == 'number' ) { 
		//Non-IE 
		myWidth = window.innerWidth;
	} else if(document.documentElement && (document.documentElement.clientWidth)) {
		//IE 6+ in 'standards compliant mode' 
		myWidth = document.documentElement.clientWidth; 
		//alert('I am Internet Explorer');
	} else if( document.body && ( document.body.clientWidth) ) { 
		//IE 4 compatible 
		myWidth = document.body.clientWidth; 
	}
	return myWidth;
}