var boxWidth = 190;
var currentNumber = 1;

function slideTo(boxNumber) {

	

	
}

function fall (leave_number) {

//	leave_number--;

	
	portfolioSlide.stop();

	portfolioSlide.start({
		'margin-left': (leave_number-1)*boxWidth*-1
	}).chain (function() {
		fxArray[leave_number+1].start({
			'margin-top': -350
		}).chain(function(){
			fxArray[leave_number+1].start({
				'width': 550
			});
		}).chain(function(){
			$$('#portfolio_summary .left').each(function(el){
				el.innerHTML = $('descrfull_' + leave_number).innerHTML;

			});
			//window.location='./#item=' + leave_number;
		});
		
		portfolioSlide.start({
			'padding-top': 350
		});
	});
}

function jumpBack (returningBoxNumber) {

	fxArray[leave_number+1].stop();
	portfolioSlide.stop();

	fxArray[returningBoxNumber+1].start({
		'width': boxWidth-20
	}).chain(function(){
		portfolioSlide.start({
			'padding-top': 0
		}).chain(function(){
			portfolioSlide.start({
				'margin-left': (currentNumber-1)*boxWidth
			})
		});
		
		fxArray[returningBoxNumber+1].start({
			'margin-top': 0
		})
	});

}


function slideLeft() {
//	portfolioSlide.stop();

	moveStep = currentNumber - 4;
	if(currentNumber - 4 < 1 ) moveStep = 1;

	portfolioSlide.start({
		'margin-left': (moveStep-1)*boxWidth * -1
	}).chain (function(){
		currentNumber = moveStep;
	});
}


function slideRight() {

//	portfolioSlide.stop();

	moveStep = currentNumber + 4;
	if(moveStep > totalItems) moveStep = totalItems - currentNumber;

	portfolioSlide.start({
		'margin-left': (moveStep-1)*boxWidth * -1
	}).chain (function(){
		currentNumber = moveStep;
	});
}