/**
 * lightBox para creciendo en grande...
 * @author Arturo Vargas - http://lawepa.com
 * @version 0.1
 * @date April 20, 2010
 */

	function lightBox(html, overflow_value)
	{
		codigo = "<div id='light_box_overlay'></div><div id='light_box_content'><div id='light_box_content_inner'><img id='btn_cerrar_light_box' src='image/btn_cerrar.png' alt='cerrar ventana'></img>" + html + "</div></div>";		
		$('body').append(codigo);
		// Get page sizes
		var arrPageSizes = ___getPageSize();
		// Style overlay and show it
		$('#light_box_overlay').css({
			backgroundColor:	'#000',
			opacity:			0.8,
			width:				arrPageSizes[0],
			height:				arrPageSizes[1],
			position:	'absolute',
			top: 0,
			left: 0,
			textAlign: 'center',
			zIndex: 1001
		}).fadeIn();
		
		// Get page scroll
		var arrPageScroll = ___getPageScroll();
		// Calculate top and left offset for the jquery-lightbox div object and show it
		$('#light_box_content').css({
			top:	 (arrPageSizes[3] / 10),
			left:	arrPageScroll[0],
			position: 'fixed',
			width: '100%',
			zIndex: 1002
		});
		
		$('#light_box_content_inner').css({
			width: '870px',
			height: '570px',
			marginLeft: 'auto',
			marginRight: 'auto',
			background: '#fff',
			position: 'relative',
			overflow: overflow_value
		});
		
		// Assigning click events in elements to close overlay
		$('#light_box_overlay, #btn_cerrar_light_box, #light_box_content').click(function() {
			_finish();
		});
		
		//boton cerrar estilo...
		$('#btn_cerrar_light_box').css({
			top: 0,
			right: 0,
			position: 'absolute',
			cursor: 'pointer'
		});
		
		$('#light_box_content_inner').corner().show();
	}
	
	/*
	 * @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;
	}
	
	/*
	 * @return Array Return an array with x,y page scroll values.
	 */
	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;
	}
	
	/**
	 * Remove lightBox HTML markup
	 *
	 */
	function _finish()
	{
		$('#light_box_content').remove();
		$('#light_box_overlay').fadeOut(function() { $('#light_box_overlay').remove(); });
	}