function bookmark()
{
	var i = navigator.userAgent.indexOf("Netscape");
	if(i >= 0)
	{
		alert("Press Ctrl + D to Bookmark this Page");
	}
	else if (window.sidebar) // firefox
	{
		alert("Press Ctrl + D to bookmark");
	}
	else if(window.opera && window.print)
	{ // opera
		var elem = document.createElement('a');
		elem.setAttribute('href',"http://www.chealekgpaper.com/");
		elem.setAttribute('title',document.title);
		elem.setAttribute('rel','sidebar');
		elem.click();
	} 
	else if(document.all)// ie
	{
		//window.external.AddFavorite(window.location, document.title);
		window.external.AddFavorite("http://www.cheapekgpaper.com/", "CheapEKGPaper");
	}
	else
	{
		alert("Press Ctrl + D to Bookmark this page");
	}
}


function validateEmail(email)
{
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}


function nvalidate() {

if (document.newsletter.email.value.length==0) {
alert("Please enter your E-Mmail Address");
document.newsletter.email.focus();
return false;
}
if(!validateEmail(document.newsletter.email.value)) {
    
alert("Please enter your valid E-Mail Address"); 
document.newsletter.email.focus();
return false; 
}
else document.newsletter.submit()
return true;
}

function validate() 
{

	if (document.referafriend.name.value.length==0) 
    {
		alert("Please enter Your Name");
		document.referafriend.name.focus();
		return false;
	}
	if (document.referafriend.email.value.length==0) 
    {
    	alert("Please enter your E-Mail Address");
		document.referafriend.email.focus();
		return false;
	}
	if(!validateEmail(document.referafriend.email.value)) 
    { 
        alert("Please enter your valid E-Mail Address"); 
        document.referafriend.email.focus();
        return false; 
    }

	if (document.referafriend.friendmail1.value.length==0 && document.referafriend.friendmail2.value.length==0 && document.referafriend.friendmail3.value.length==0) 
    {
		alert("Please enter Your Friend's E-Mmail Address");
		document.referafriend.friendmail1.focus();
		return false;
	}

    if (!(document.referafriend.friendmail1.value.length==0))
    {		
        if(!validateEmail(document.referafriend.friendmail1.value)) 
        { 
             alert("Please enter Your valid E-Mail Address of 'E-Mail-1'"); 
             document.referafriend.friendmail1.focus();
             return false; 
        }
    }	   
	if (!(document.referafriend.friendmail2.value.length==0))
    {		
		if(!validateEmail(document.referafriend.friendmail2.value)) 
        { 
             alert("Please enter Your valid E-Mail Address of 'E-Mail-2"); 
             document.referafriend.friendmail2.focus();
             return false; 
        }
	}	   

    if (!(document.referafriend.friendmail3.value.length==0))
    {		
        if(!validateEmail(document.referafriend.friendmail3.value)) 
        { 
             alert("Please enter Your valid E-Mail Address of 'E-Mail-3"); 
             document.referafriend.friendmail3.focus();
             return false; 
        }
    }	
    document.referafriend.submit()
    return false;
}