/*
function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{
   var obj = document.layers ? document.layers[szDivID] :
   document.getElementById ?  document.getElementById(szDivID).style :
   document.all[szDivID].style;
   obj.visibility = document.layers ? (iState ? "show" : "hide") : (iState ? "visible" : "hidden");
}
*/
function toggleAboutBox(szDivID)
{
    try
    {
        var obj = document.getElementById(szDivID).style
        if(obj.visibility=="hidden") 
        {
            obj.visibility = "visible";
        } 
        else  
        {
            obj.visibility = "hidden";
        }
    }     
    catch(error)
    {
    }
}

function popUp(url, winName, h, w, l, t)
{
	var args = 'height=' + h + ',width=' + w + ',left=' + l + ',top=' + t +
			   ',toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1';
    	
	window.open(url, winName, args);
}

function ProcessExitPop()
{        
    if ((popexit) && (closing))
    {
window.open(url, 'exit_survey','height=760,width=960, scrollbars=1, resizable=1, toolbar=1, menubar=1, directories=1, location=1');
    }
}

function SetFocusNext(currField, nextField)
{
    currObj = document.getElementById(currField);
    nextObj = document.getElementById(nextField);
    
    if (currObj && currObj.maxLength && currObj.maxLength == currObj.value.length)
    {
        nextObj.select();
        nextObj.focus();
    }    
}

function StringFormat()
{
    if( arguments.length == 0 )
        return null; 

    var str = arguments[0];

    for(var i=1;i<arguments.length;i++)
    {
        var re = new RegExp('\\{' + (i-1) + '\\}','gm');
        str = str.replace(re, arguments[i]);
    }
    return str;
}

function checkRadioBtns(rdoPriBtnId, rdoAltBtnId)
{
    for (var i=0;i<3;i++)
    {
        if (document.getElementById(rdoPriBtnId + '_' + i).checked == true)
        {
            document.getElementById(rdoAltBtnId + '_' + i).checked = false;
        }
    }
}

function rdoBtnUniqueCheck(rdoBtnId)
{
    document.getElementById(rdoBtnId).checked = false;
}