function CheckField(fldName){ if ( document.frmLB[fldName].length ) { for ( var i = 0, l = document.frmLB[fldName].length; i < l; i++ ) {  if (  document.frmLB[fldName].type =='select-one' ) {   if ( document.frmLB[fldName][i].selected ) { return true; }    }  else    {     if ( document.frmLB[fldName][i].checked ) { return true; }    }; } return false; } else { document.frmLB[fldName].focus(); return (document.frmLB[fldName].value.length > 0);}}
function rmspaces(x) {var leftx = 0;var rightx = x.length -1;while ( x.charAt(leftx) == ' ') { leftx++; }while ( x.charAt(rightx) == ' ') { --rightx; }var q = x.substr(leftx,rightx-leftx + 1);if ( (leftx == x.length) && (rightx == -1) ) { q =''; } return(q); }
function checkfield(data) {if (rmspaces(data) == ""){return false;}else {return true;}}
function isemail(data) {var flag = false;if (  data.indexOf("@",0)  == -1 || data.indexOf("\\",0)  != -1 ||data.indexOf("/",0)  != -1 ||!checkfield(data) ||  data.indexOf(".",0)  == -1  ||  data.indexOf("@")  == 0 ||data.lastIndexOf(".") < data.lastIndexOf("@") ||data.lastIndexOf(".") == (data.length - 1)   ||data.lastIndexOf("@") !=   data.indexOf("@") ||data.indexOf(",",0)  != -1 ||data.indexOf(":",0)  != -1 ||data.indexOf(";",0)  != -1  ) {return flag;} else {var temp = rmspaces(data);if (temp.indexOf(' ',0) != -1) { flag = true; }var d3 = temp.lastIndexOf('.') + 4;var d4 = temp.substring(0,d3);var e2 = temp.length  -  temp.lastIndexOf('.')  - 1;var i1 = temp.indexOf('@');if (  (temp.charAt(i1+1) == '.') || ( e2 > 4 )  ||  ( e2 < 2 ) ) { flag = true; }return !flag;}}
function _checkSubmit(){
if ( !isemail(document.frmLB["fldEmail"].value) ) { 
   alert("Please enter the Email");
   return false;
}
/*if ( !CheckField("fldfirstname") ) { 
   alert("Please enter the First_Name");
   return false;
}
if ( !CheckField("fldlastname") ) { 
   alert("Please enter the Last Name");
   return false;
}*/
 return true; }