function bookmarksite(title, url){
if (document.all)
window.external.AddFavorite(url, title);
else if (window.sidebar)
window.sidebar.addPanel(title, url, "")
}

function checkcookie()
{
dcookie="";
var dcookie = document.cookie;
if(dcookie!="")
{
document.getElementById("thnk").style.diaplay="block";
}
else
{
document.getElementById("thnk").style.display = "none";
}
}


function popup(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
window.open(href, windowname, 'width=330,height=200,scrollbars=no');
return false;
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid email address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid email address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid email address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid email address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid email address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid email address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid email address")
		    return false
		 }

 		 return true					
	}

function checkContactForm()
	{
	
	if ((contactForm.name.value==null)||(contactForm.name.value=="")){
		alert("Please enter your name.")
		contactForm.name.focus()
		return false
	}

	if ((contactForm.company.value==null)||(contactForm.company.value=="")){
		alert("Please enter company name.")
		contactForm.company.focus()
		return false
	}

	if ((contactForm.email.value==null)||(contactForm.email.value=="")){
		alert("Please enter email.")
		contactForm.email.focus()
		return false
	}

	if (echeck(contactForm.email.value)==false){
		contactForm.email.value=""
		contactForm.email.focus()
		return false
	}

	if ((contactForm.phone.value==null)||(contactForm.phone.value=="")){
		alert("Please enter phone number.")
		contactForm.phone.focus()
		return false
	}

	if ((contactForm.message.value==null)||(contactForm.message.value=="")){
		alert("Please enter message.")
		contactForm.message.focus()
		return false
	}
	
	else
		return true;
 }

 function checkFreindForm()
	{
	
	if ((friendForm.name.value==null)||(friendForm.name.value=="")){
		alert("Please enter your name.")
		friendForm.name.focus()
		return false
	}

		
	if ((friendForm.email.value==null)||(friendForm.email.value=="")){
		alert("Please enter your email address.")
		friendForm.email.focus()
		return false
	}

	if (echeck(friendForm.email.value)==false){
		friendForm.email.value=""
		friendForm.email.focus()
		return false
	}

	if ((friendForm.fname.value==null)||(friendForm.fname.value=="")){
		alert("Please enter your friend name.")
		friendForm.fname.focus()
		return false
	}

		
	if ((friendForm.fmail.value==null)||(friendForm.fmail.value=="")){
		alert("Please enter your friend email address.")
		friendForm.fmail.focus()
		return false
	}

	if (echeck(friendForm.fmail.value)==false){
		friendForm.fmail.value=""
		friendForm.fmail.focus()
		return false
	}

	else
		return true;
 }

 
 function checkNewsLetterForm()
	{
	
	if ((newsLetterForm.name.value==null)||(newsLetterForm.name.value=="")){
		alert("Please enter your name.")
		newsLetterForm.name.focus()
		return false
	}

		
	if ((newsLetterForm.email.value==null)||(newsLetterForm.email.value=="")){
		alert("Please enter your email address.")
		newsLetterForm.email.focus()
		return false
	}

	if (echeck(newsLetterForm.email.value)==false){
		newsLetterForm.email.value=""
		newsLetterForm.email.focus()
		return false
	}

	else
		return true;
 }