function echeck(str) {

		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID");
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID");
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID");
		    return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID");
		    return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }

 		 return true;					
	}


function submit_form(value) {
               if(value.subject.value == "") {
                        alert("Please input subject!");
                        value.subject.focus();
                        return false;
                }
				else if(value.inquiry.value == "") {
                        alert("Please input inquiry!");
                        value.inquiry.focus();
                        return false;
                }
            else  if ((value.email.value==null)||(value.email.value=="")){
			alert("You must type in valid email!");
			value.email.focus();
			return false;
		}
		else if(echeck(value.email.value)==false){
			value.email.value="";
			value.email.focus();
			return false;
		}
 		else if(value.firstname.value == "") {
                        alert("Please input first name!");
                        value.firstname.focus();
                        return false;
                }
          else  if(value.lastname.value == "") {
                        alert("Please input last name!");
                        value.lastname.focus();
                        return false;
                }
                
                return true;
               
        }
function signup_form2(v) {

       if ((v.email.value==null)||(v.email.value=="")){
			alert("You must type in valid email!");
			v.email.focus();
			return false;
		}
		else if(echeck(v.email.value)==false){
			v.email.value="";
			v.email.focus();
			return false;
		}
		else if(v.password.value == "") {
                        alert("Please input password!");
                        v.password.focus();
                        return false;
                }
		else if(v.password.value.length < 5) {
                        alert("Password Must be a minimum of 5 characters!");
                        v.password.focus();
                        return false;
                }
       else if(v.cpassword.value == "") {
                        alert("Please input confirm password!");
                        v.cpassword.focus();
                        return false;
                }
		else if(v.cpassword.value.length < 5) {
                        alert("Confirm Password Must be a minimum of 5 characters!");
                        v.cpassword.focus();
                        return false;
                }
		else if(v.password.value != v.cpassword.value) {
                        alert("Please type in same password as previous!");
                        v.cpassword.focus();
                        return false;
                }		
 		else if(v.firstname.value == "") {
                        alert("Please input first name!");
                        v.firstname.focus();
                        return false;
                }
         else  if(v.lastname.value == "") {
                        alert("Please input last name!");
                        v.lastname.focus();
                        return false;
                }
                return true;
               
        }
		
function resend_form(v) {

       if ((v.email.value==null)||(v.email.value=="")){
			alert("You must type in valid email!");
			v.email.focus();
			return false;
		}
		else if(echeck(v.email.value)==false){
			v.email.value="";
			v.email.focus();
			return false;
		}
                return true;
               
        }