/**
 * Return integer values of top, left, width, height
 */
 
jQuery.fn.itop = function() {
	return parseInt(this.top());
};

jQuery.fn.ileft = function() {
	return parseInt(this.left());
};

jQuery.fn.iwidth = function() {
	return parseInt(this.width());
};

jQuery.fn.iheight = function() {
	return parseInt(this.height());
};


/**
 * Set visibility of jQuery object to 'hidden' or 'visible'
 */
jQuery.fn.showv = function() {
	this.css('visibility', 'visible');
	this.css('display', 'block');
};

jQuery.fn.hidev = function() {
	this.css('visibility', 'hidden');
	this.css('display', 'none');
};