function basicMailCheck(string){var err_mail=0,illegalPos=-1;var email=string;var illegalChars=new Array(18);illegalChars[0]=',';illegalChars[1]='!';illegalChars[2]='#';illegalChars[3]='$';illegalChars[4]='^';illegalChars[5]='*';illegalChars[6]='+';illegalChars[7]='=';illegalChars[8]=')';illegalChars[9]='(';illegalChars[10]='<';illegalChars[11]='>';illegalChars[12]='{';illegalChars[13]='}';illegalChars[14]=']';illegalChars[15]='[';illegalChars[16]='^';illegalChars[17]='|';for(i=0;i<illegalChars.length;i++){illegalPos=email.indexOf(illegalChars[i])*1;if(illegalPos>-1){return 1;}}
var posAt=(email.indexOf('@')*1);var posDot=(email.indexOf('.',posAt)*1);var strLength=email.length*1;if(posAt<2||posDot<posAt||(strLength<(posDot+3)||strLength>(posDot+4)))
err_mail=1;return err_mail;}