/********************** Functions used on ArticleWithSubMenu.aspx page start *********************/
function changeHref(lnk)
{
	var yCoordElement = GetYCoord();
	
	if(yCoordElement != null)
	{
		if(yCoordElement.value != 0)	
			window.location.href = lnk + "&pos=" + yCoordElement.value;
		else
			window.location.href = lnk;
	}
}
			
function SmartScroller_GetCoords()
{
	var scrollY;
		
	if (document.all)
	{
		if (!document.documentElement.scrollTop)
			scrollY = document.body.scrollTop;
		else
			scrollY = document.documentElement.scrollTop;
	}   
	else
	{
		scrollY = window.pageYOffset;
	}
	
	var yCoordElement = GetYCoord();
	
	if(yCoordElement != null)
		yCoordElement.value = scrollY;
}
			
function SmartScroller_Scroll()
{
	var yCoordElement = GetYCoord();
	
	if(yCoordElement != null)
	{
		y = yCoordElement.value;
		window.scrollTo(0, y);
	}
}

//For this function it is assumed that the page will have only two hidden fields 
// 1. For Viewstate
// 2. For storing the value(Hidden text box)
function GetYCoord()
{
	for(var i = 0; i < document.forms[0].elements.length; i++)
	{
		var element = document.forms[0].elements[i];
		if (element != null && element.name != null && element.name.length == 0)
			continue;
		else if(element.type == "hidden" && element.name != "__VIEWSTATE")
		{
			yCoord = element;
			break;
		}
	}
	return yCoord;
}
/********************** Functions used on ArticleWithSubMenu.aspx page End ***********************/

/************************* Default Functions used for entire site Start **************************/

function ValidateEmailID(ID)
{
	var emailStr = document.getElementById(ID).value;
	
	var emailPat=/^(.+)@(.+)$/

	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"

	var validChars="\[^\\s" + specialChars + "\]"

	var quotedUser="(\"[^\"]*\")"

	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/

	var atom=validChars + '+'

	var word="(" + atom + "|" + quotedUser + ")"

	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")

	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")

	var matchArray=emailStr.match(emailPat)

	if (matchArray==null) {
		alert("Email address seems incorrect (check @ and .'s)")
		return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]

	if (user.match(userPat)==null) {
		// user is not valid
		alert("The username doesn't seem to be valid.")
		return false
	}

	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		// this is an IP address
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid!")
			return false
			}
		}
		return true
	}


	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		alert("The domain name doesn't seem to be valid.")
		return false
	}


	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
		domArr[domArr.length-1].length>3) {
	alert("The address must end in a three-letter domain, or two letter country.")
	return false
	}

	if (len<2) {
	var errStr="This address is missing a hostname!"
	alert(errStr)
	return false
	}

	return true;
}

function dmTrySubmit(e, buttonid)
{
	var bt = document.getElementById(buttonid); 
	if (typeof bt == 'object')
	{ 
		if(navigator.appName.indexOf("Netscape")>(-1))
		{ 
			if (e.keyCode == 13)
			{ 
				bt.click(); 
				e.keyCode = 0;
				e.returnValue = false;
				e.cancelBubble = true;
				return false; 
			} 
		} 
		if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1))
		{ 
			if (event.keyCode == 13)
			{ 
				bt.click();
				e.keyCode = 0;
				e.returnValue = false;
				e.cancelBubble = true;
				return false;
			} 
		} 
	}
}
/************************* Default Functions used for entire site End ****************************/