function echeck(a){var b=a.indexOf("@"),c=a.length,d=a.indexOf(".");if(a.indexOf("@")==-1){alert("Please enter a valid email");return false}if(a.indexOf("@")==-1||a.indexOf("@")==0||a.indexOf("@")==c){alert("Please enter a valid email");return false}if(a.indexOf(".")==-1||a.indexOf(".")==0||a.indexOf(".")==c){alert("Please enter a valid email");return false}if(a.indexOf("@",b+1)!=-1){alert("Please enter a valid email");return false}if(a.substring(b-1,b)=="."||a.substring(b+1,b+2)=="."){alert("Please enter a valid email");
return false}if(a.indexOf(".",b+2)==-1){alert("Please enter a valid email");return false}if(a.indexOf(" ")!=-1){alert("Please enter a valid email");return false}return true}function ValidateForm(){var a=document.registry.email;if(a.value==null||a.value==""){alert("Please enter a valid email");a.focus();return false}if(echeck(a.value)==false){a.value="";a.focus();return false}return true};