function productObj()
{
	//this.cutText( 'product_tech', 500 );
	this.triggerImages( 'full-image', 'product_images' );
}

productObj.prototype.checkNewComment = function( formObj )
{
	var inputs = formObj.getElementsByTagName('INPUT');
	for (var i=0; i<inputs.length; i++)
	{
		if (inputs[i].value.length < 1)
		{
			alert('Compilare tutti i campi prima di inviare il commento');
			return false;
		}
	}
	var textareas = formObj.getElementsByTagName('TEXTAREA');
	for (var i=0; i<textareas.length; i++)
	{
		if (textareas[i].value.length < 1)
		{
			alert('Compilare tutti i campi prima di inviare il commento');
			return false;
		}
	}
	return true;
}

productObj.prototype.cutText = function( id, length )
{
	var obj = $(id);
	if (obj)
	{
		obj.innerHTML += '<a href="javascript:;" onclick="javascript: product.openText(\''+id+'\');" id="link-more_'+id+'" class="read-more">...continua</a>';
		/*var text = obj.innerHTML;
		if (text.length > length)
		{
			var textOne = text.substring(0,length);
			var textTwo = text.substring(length);
			text = textOne + 
			'<span id="more_'+id+'" style="display: none;">' + textTwo + '</span>' + 
			'<a href="javascript:;" onclick="javascript: product.openText(\''+id+'\');" id="link-more_'+id+'" class="read-more">...continua</a>';
		}
		obj.innerHTML = text;*/
	}
}

productObj.prototype.openText = function( id )
{
	var obj = $(id);
	//var more = $('more_'+id);
	var link_more = $('link-more_'+id);
	link_more.onclick = function() { return product.closeText(id); }
	link_more.innerHTML = '...riduci';
	//more.style.display = 'inline';
	obj.style.overflow = 'visible';
	obj.style.height = 'auto';
}

productObj.prototype.closeText = function( id )
{
	var obj = $(id);
	//var more = $('more_'+id);
	var link_more = $('link-more_'+id);
	link_more.onclick = function() { return product.openText(id); }
	link_more.innerHTML = '...continua';
	//more.style.display = 'none';
	obj.style.overflow = 'hidden';
	obj.style.height = '150px';
}

productObj.prototype.triggerImages = function( mainId, extraId )
{
	this.mainId = mainId;
	var extraList = $(extraId);
	if (extraList)
	{
		var extras = extraList.getElementsByTagName('a');
		for (var i=0; i<extras.length; i++)
		{
			extras[i].onclick = function() { return product.switchImage( this ); }
		}
	}
}

productObj.prototype.switchImage = function( obj )
{
	var mainLink = $(this.mainId);
	//var mainImage = $(this.mainId).firstChild;
	var supportoimm= $(this.mainId).getElementsByTagName('img');
	var mainImage=supportoimm[0];
	mainLink.href = obj.getAttribute('full');
	mainImage.src = obj.href;	

	return false;
}