function switchPicture(the_objIndex) 
{	
	var indexMainPicture = document.getElementById('indexMainPicture');		
	var i;
	indexMainPicture.src = pictures[the_objIndex]; 
	document.getElementById('indexSlideshowLink').href = picturesLink[the_objIndex];
	for (i = 0; i < pictures.length; i++) { 
		var indexOffer = document.getElementById('indexOffer_' + i);	
		var indexOfferCell = document.getElementById('indexOfferCell_' + i);	
		if (i == the_objIndex) {
			indexOffer.innerHTML = '<img src="images/arrow_rev.gif" alt="" width="11" height="8">'; 						
			indexOfferCell.className = "nr_back_light";
		} else {
			indexOffer.innerHTML = '';
			indexOfferCell.className = "nr_back";
		}
	}
	return true;
}

function switchTransparence(objIndex, arrayStart, arrayStop) 
{
	var i; 
	for (i = arrayStart; i <= arrayStop; i++) {
		var topProd = document.getElementById('topProd_' + i);
		if (i == objIndex) {
			topProd.src = "images/voal_bltr.png";		
		} else {
			topProd.src = "images/voaltr.png";
		}
	}
	return true;
}

function changeDetailPicture(object, source, bigf, bigSrc) 
{
    
    var p = $("#detailPicture");
    p.attr("src",source);

    var position=$("#detF").position();
    if(bigf){
        var ps= $("#detailPicture, #"+bigf);
        ps.mouseover(function() {

            p.css("cursor","pointer");
            $("#"+bigf).css("display","block");
            $("#"+bigf).css("left",(position.left+80)+"px");
            $("#"+bigf).css("top",(position.top+80)+"px");
        });
        ps.mouseout(function() {


            $("#"+bigf).css("display","none");

        });
    }
	return true;
}

function changeDetailPicture1(object, source, bigf, bigSrc, nr) 
{
    
    var p = $("#detailPicture_"+nr);
    p.attr("src",source);

    var position=$("#detF_"+nr).position();
    if(bigf){
        var ps= $("#detailPicture_"+nr, "#"+bigf);
        ps.mouseover(function() {

            p.css("cursor","pointer");
            $("#"+bigf).css("display","block");
            $("#"+bigf).css("left",(position.left+80)+"px");
            $("#"+bigf).css("top",(position.top+80)+"px");
        });
        ps.mouseout(function() {


            $("#"+bigf).css("display","none");

        });
    }
	return true;
}

function checkEmail(email)
{
    var pattern = new RegExp("^[a-zA-Z0-9_\.\-]+@[a-zA-Z0-9\-]+\.[a-zA-Z0-9\-\.]+$");
    if (email.search(pattern) == -1)
    {
        return false;
    }
    else
    {       
        return true;
    }
}

function verifAlfa(text, msjEr)
{
	if (text == "")
	{
		alert(msjEr);
		return false;
	}
	return true;
}