function showMessage(ele){
	var element = document.getElementById(ele);
	var my_width  = 0;
	var my_height = 0;

	if ( typeof( window.innerWidth ) == 'number' ) {
		my_width  = window.innerWidth;
		my_height = window.innerHeight;
	} else if ( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		my_width  = window.innerWidth;
		my_height = document.documentElement.clientHeight;
	}
	else if ( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		my_width  = window.innerWidth;
		my_height = document.body.clientHeight;
	}

	element.style.position = 'absolute';
	element.style.zIndex   = 99;
	element.style.overflow = 'hidden';

	var scrollY = 0;

	if ( document.documentElement && document.documentElement.scrollTop ){
		scrollY = document.documentElement.scrollTop;
	} else if ( document.body && document.body.scrollTop ){
		scrollY = document.body.scrollTop;
	} else if ( window.pageYOffset ){
		scrollY = window.pageYOffset;
	} else if ( window.scrollY ){
		scrollY = window.scrollY;
	}

	var elementDimensions = Element.getDimensions(element);

	var setX = ( my_width  - elementDimensions.width  ) / 2;
	var setY = ( my_height - elementDimensions.height ) / 2 + scrollY;

	setX = ( setX < 0 ) ? 0 : setX;
	setY = ( setY < 0 ) ? 0 : setY;

	element.style.left = setX + "px";
	element.style.top  = setY + "px";

	element.style.display = "block";
}

function hideMessage(ele){
	var element = document.getElementById(ele);
	element.style.display = "none";
}