function NextImage() 
{
    var cur = "";
    var hid;
    var number = 0;
    var myimages = new Array();
    var k = 0;
    var max = 0;
    var total = document.getElementById('curviewindex');
    var newcurrent = 0;
    
    var hiddens = document.getElementsByTagName('input');
    for (var i = 0; i < hiddens.length; i++)
    {
        if (hiddens[i].id == "ctl00_PlaceContent_hidCurrent")
        {
            cur = hiddens[i].value;
            hid = hiddens[i];
            
            break;
        }
    }
    var allimages = document.getElementsByTagName('img');
    for (var i = 0; i < allimages.length; i++)
    {
        if (allimages[i].id.search(/homeimg/) > -1 )
        {
            myimages[k] = allimages[i];
            k++;
            
        }
    }
    for (var i = 0; i < myimages.length; i++)
    {
        if (myimages[i].id == cur)
        {
            number = i;
        }
        else
        {
        	myimages[i].style.display='none';
        }
    }
    if (number < myimages.length - 1)
    {
        newcurrent = number + 1;
        myimages[newcurrent].style.display = '';
        myimages[number].style.display='none';
        hid.value = myimages[newcurrent].id;
        
    }
    else
    {
    	if (number == myimages.length - 1)
        {
            newcurrent = 0;
            myimages[newcurrent].style.display = '';
            myimages[number].style.display='none';
            hid.value = myimages[newcurrent].id;
        }
    }
    total.value = (newcurrent + 1) + " / " + myimages.length;
    
} 
function PrevImage() 
{
    var cur = "";
    var hid;
    var number = 0;
    var myimages = new Array();
    var k = 0;
    var total = document.getElementById('curviewindex');
    var newcurrent = 0;
    
    var hiddens = document.getElementsByTagName('input');
    for (var i = 0; i < hiddens.length; i++)
    {
        if (hiddens[i].id == "ctl00_PlaceContent_hidCurrent")
        {
            cur = hiddens[i].value;
            hid = hiddens[i];
            
            break;
        }
    }
    var allimages = document.getElementsByTagName('img');
    for (var i = 0; i < allimages.length; i++)
    {
        if (allimages[i].id.search(/homeimg/) > -1 )
        {
            myimages[k] = allimages[i];
            k++;
            
        }
    }
    for (var i = 0; i < myimages.length; i++)
    {
        if (myimages[i].id == cur)
        {
            number = i;
        }
        else
        {
        	myimages[i].style.display='none';
        }
    }
    
    if (number == 0)
    {
        newcurrent = myimages.length - 1;
        myimages[newcurrent].style.display = '';
        myimages[number].style.display='none';
        hid.value = myimages[newcurrent].id;
    }
    else
    {
        newcurrent = number - 1;
        myimages[newcurrent].style.display = '';
        myimages[number].style.display='none';
        hid.value = myimages[newcurrent].id;
    }
    total.value = (newcurrent + 1) + " / " + myimages.length;  
}