function postBackHiddenField(hiddenFieldID) 
{
    var hiddenField = $get(hiddenFieldID);
    if (hiddenField) 
    {
        hiddenField.value = (new Date()).getTime();
        __doPostBack(hiddenFieldID,'');
    }
 }
function resize_elements(items)
{
	var recs = new Array();
	var strItems = "";
	for(i = 0; i < items.length; i++)
	{	
		recs[i] = document.getElementById(items[i]);
		strItems += "\"" + items[i] + "\",";
	}
	
	strItems = strItems.substring(0,strItems.length - 1);
	
	var max = 0;
	for(i=0; i<recs.length; i++)
	{
		if(existsDefined(recs[i]))
		{
		
			var val = recs[i].offsetHeight;
			if(val > max)
			{
				max = val;
			}
		}
	}
	if(max == 0)
	{
		setTimeout("resize_elements(new Array(" + strItems + "));");
	}
	else
	{
		for(i = 0; i < recs.length; i++)
		{
			
			if(existsDefined(recs[i]))
			{
		
				recs[i].style.height = max  + "px";
			}
		}
	}
	//alert(max);
	
}
function makePreWindow( url, window_width, window_height, scrollbars )
{
    var screenPosX,screenPosY;
	var newWindow = null;
	if(!scrollbars)
	{
		scrollbars = 0;
	}
	if(window_width > screen.availWidth || window_height > screen.availHeight)
	{
		scrollbars = 1;
		window_height = window_height + 14;
		window_width = window_width + 14;
	}
			screenPosX = 0;
			screenPosY = 0;
	newWindow = window.open(url, 'Preview','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars='+scrollbars+',resizable=0,copyhistory=0,width='+window_width+',height='+window_height+',screenX='+screenPosX+',screenY='+screenPosY);
	newWindow.focus();
};
function DeselectAssociatedDropDown(txt,dropdown)
{
	var ddl = document.getElementById(findControl(dropdown,'select'));
	
	if(txt.value == "")
		ddl.selectedIndex = 0;
	return false;
}
function findControl(elname,htmlElementType)
{
    var i;
    var foundID = "";
    htmlElementType = typeof htmlElementType == "undefined" ? "" : htmlElementType;
    htmlElementType = htmlElementType.toLowerCase() == 'dropdownlist' ? 'select' : htmlElementType;
    var x = document.getElementsByTagName(htmlElementType);
    if(htmlElementType != "")
    {
		if(x.length > 1)
		{
			var i = 0;
			while(i < x.length)
			{
				var e = x[i];
				if ((e != null) && (foundID == ""))
				{                   
					var cid = new String(e.id); 
					var index = cid.search(elname);
					if ((index >= 0) && (cid.length == (index + elname.length)))
					{                    
						foundID = cid;
						i = x.length;
					}
				}
				i++;
			}
		}
	}
	else
	{
		for(i = 0; i < document.forms[0].elements.length; i ++)
		{
			var e = document.forms[0].elements[i];
			if ((e != null) && (foundID == ""))
			{                   
				var cid = new String(e.id); 
				var index = cid.search(elname);
				if ((index > 0) && (cid.length == (index + elname.length)))
				{                    
					foundID = cid;
				}
			}
		}
	}
	
    return (foundID);
}
function SelectDropDownValue(value, ddl)
{
	if(typeof ddl == "string")
	{
		ddl = document.getElementById(ddl);
	}
	for(var i = 0; i < ddl.options.length; i++)
	{
		if(ddl.options[i].value == value)
			ddl.options[i].selected = true;
	}
}
function clearOptions(ddl)
{

	var i;
	for(i=ddl.options.length-1; i >= 0; i--)
	{
		ddl.remove(i);
	}
}

function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) 
  {
  	//Netscape compliant
	scrOfY = window.pageYOffset;
	scrOfX = window.pageXOffset;
  } 
  else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) 
  {
	//DOM compliant
	scrOfY = document.body.scrollTop;
	scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
	//IE6 standards compliant mode
	scrOfY = document.documentElement.scrollTop;
	scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}
function GenerateRandom(ceiling)
{
	var randomnumber=Math.floor(Math.random()*ceiling)
	return randomnumber;
}
function isDigit(num) {
	if (num.length>1)
	{
		return false;
	}
	var string="1234567890";
	if (string.indexOf(num) != -1)
	{
		return true;
	}
	return false;
}
function isInteger(val){
	if (isBlank(val))
	{
		return false;
	}
	for(var i=0;i<val.length;i++)
	{
		if(!isDigit(val.charAt(i)))
		{
			return false;
		}		
	}
	return true;
}
function isBlank(val)
{
	if(val==null)
	{
		return true;
	}
	for(var i=0;i<val.length;i++) 
	{
		if ((val.charAt(i)!=' ')&&(val.charAt(i)!="\t")&&(val.charAt(i)!="\n")&&(val.charAt(i)!="\r"))
		{
			return false;
		}
	}
	return true;
}

function get_query_string(qstr) 
{
	var i, pos, argname, argvalue, queryString, pairs;
	queryString = location.href.substring(location.href.indexOf("?")+1);
	pairs = queryString.split("&");
	for (i = 0; i < pairs.length; i++) 
	{
		pos = pairs[i].indexOf('=');
		if (pos == -1) 
		{
			continue;
		}
		argname = pairs[i].substring(0,pos);
		argvalue = pairs[i].substring(pos+1);
		if (argname == qstr) 
		{
			return unescape(argvalue.replace(/\+/g, " "));
		}
	}
	return "";
}
function deselect() 
{
	if (document.selection)
		document.selection.empty();
	else if (window.getSelection)
		window.getSelection().removeAllRanges();
}
function rf()
{
	return false;
}
function focusWindow(linkplace,windowname)
{
	var win = window.open(linkplace,windowname);
	win.focus();
}
function existsDefined(i)
{
	if(i != null && i != undefined)
		return true;
	else
		return false;
}

function printArray(arr)
{
	var strAl = "";
	for(var i = 0; i < arr.length; i++)
	{
		strAl += "[" + i + "] = " + arr[i] + "\n";
	}
	return strAl;
}