function MM_openBrWindow(theURL,winName,features) { //v2.0
	  window.open(theURL,winName,features);
	}
	
	checkForm = function() {
		
		var x = document.getElementById("guest_name");
		var y = document.getElementById("guest_mail");		
		var z = document.getElementById("guest_content");		
		
		if (x.value == '' || y.value == '' || z.value == '') {
			
			alert("Lütfen doldurulmasi zorunlu alanlari bos birakmayin...");
			return false;
			
		} else {
		
			form1.submit();
			
		}
		
	}