function form_check(){
	var smg='';
	var first_name=document.getElementById('first_name_txt').value;
	  var user_name=document.getElementById('user_name_txt').value;
	    var email=document.getElementById('email_txt').value;
		  var website=document.getElementById('website_txt').value;
		    var fly_name=document.getElementById('fly_name_txt').value;
			  var hook=document.getElementById('hook_txt').value;
			    var thread=document.getElementById('thread_txt').value;
				  var tail=document.getElementById('tail_txt').value;
				    var body_txt=document.getElementById('body_txt').value;
					  var hackle=document.getElementById('hackle_txt').value;
					    var legs=document.getElementById('legs_txt').value;
						
  if(first_name==''){smg+="Enter your first name.\n";}
    if(user_name==''){smg+="Enter user name.\n";}
	  if(email==''){smg+="Enter your email address.\n";}
	   else if((email.indexOf('@')==-1)||(email.indexOf('.')==-1)){
        	smg+="Enter correct email address.\n";	   
	   }
	    if(website==''){smg+="Enter your website address.\n";}
		  if(fly_name==''){smg+="Enter your fly name.\n";}
		    if(hook==''){smg+="Enter hook.\n";}
			  if(thread==''){smg+="Enter thread.\n";}
			    if(tail==''){smg+="Enter tail.\n";}
				  if(body_txt==''){smg+="Enter body.\n";}
				    if(hackle==''){smg+="Enter hackle.\n";}
					  if(legs==''){smg+="Enter legs.\n";}
				if(smg!=''){alert(smg); return false;}	
				
	  var caddis_cb=document.getElementById('caddis_cb');
	   var emerger_cb=document.getElementById('emerger_cb');
	    var nymph_cb=document.getElementById('nymph_cb');
		 var mayfly_cb=document.getElementById('mayfly_cb');
		  var dry_cb=document.getElementById('dry_cb');
		   var streamer_cb=document.getElementById('streamer_cb');
		    var spey_cb=document.getElementById('spey_cb');
			 var midge_cb=document.getElementById('midge_cb');
			  var salmon_cb=document.getElementById('salmon_cb');
			   var steelhead_cb=document.getElementById('steelhead_cb');
			    var striper_cb=document.getElementById('striper_cb');
				 var tarpon_cb=document.getElementById('tarpon_cb');
				  var wet_cb=document.getElementById('wet_cb');
				   var jig_cb=document.getElementById('jig_cb');
				    var stonefly_cb=document.getElementById('stonefly_cb');
				
							
	if(caddis_cb.checked||emerger_cb.checked||nymph_cb.checked||mayfly_cb.checked||dry_cb.checked||streamer_cb.checked||spey_cb.checked||midge_cb.checked||salmon_cb.checked||steelhead_cb.checked||striper_cb.checked||tarpon_cb.checked||wet_cb.checked||jig_cb.checked||stonefly_cb.checked){						
	//alert(caddis_cb.checked);
	//alert('ha');
	}
	else{
		alert("Please Choose Chategory");
		return false;
	}
	return true;
}