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("E-mail Invalid")
		   return false
		}

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

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

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

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

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

 		 return true					
	}


function setCookie (name, value, expires, path, domain, secure) 
{
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name) 
{
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) 
	{
		offset = cookie.indexOf(search);
		if (offset != -1) 
		{
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) 
			{
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}
 
var today = new Date();
var expire = new Date();
var nDays=30;
expire.setTime(today.getTime() + 3600000*24*nDays);
expire = expire.toGMTString(); 

function checkpdf()
{
	var name=document.form.name
	var company=document.form.company
	var email=document.form.email
	
	if ((name.value==null)||(name.value=="")){
		alert("Please Enter your First & Last Name");
		name.focus();
		return false;
	}
	if ((company.value==null)||(company.value=="")){
		alert("Please Enter your Company Name");
		company.focus();
		return false;
	}
	if ((email.value==null)||(email.value=="")){
		alert("Please Enter your E-mail Address");
		email.focus();
		return false;
	}
	if (echeck(email.value)==false){
		email.value="";
		email.focus();
		return false;
	}
	
	setCookie('pdf_form', 1, expire);
	document.form.submit();
	window.open(getCookie('pdf_path'));
	return true;
 }

function downloadPDF(path)
{
	if (getCookie('pdf_form'))
	{
		window.open(path);

	}
	else
	{
		setCookie('pdf_path', path, expire);
		document.location.href = 'freedocsform.php'
	}
}