function isEmail(aStr)
       {
               var reEmail=/^[0-9a-zA-Z_\.-]+\@[0-9a-zA-Z_\.-]+\.[0-9a-zA-Z_\.-]+$/;
               if(!reEmail.test(aStr))
               {
                       return false;
               }
               return true;
       }
//===================================================================================>>
function checkValues()
{ 
 
  docF=document.frmContact;

 if(docF.txtName.value=="" || docF.txtName.value=="Enter your name here"){
   alert("Please Enter Name!!");
   docF.txtName.focus();
   return false;
 }

 if(!isNaN(docF.txtName.value)){
   alert("Name can not numeric!!");
   docF.txtName.focus();
   return false;
 }
 
 if(docF.txtEmail.value==""){
   alert("Please Enter Email-Id!!");
   docF.txtEmail.focus();
   return false;
 }
 
 if(!isEmail(docF.txtEmail.value))
	{
		alert("Please enter a valid e-mail id!!");
		docF.txtEmail.focus();
		return false;
	}
	
 if(docF.txtSubject.value=="" || docF.txtSubject.value=="Mention subject here"){
   alert("Please Enter Subject");
   docF.txtSubject.focus();
   return false;
 }
 
 if(!isNaN(docF.txtSubject.value)){
   alert("Subject can not numeric!!");
   docF.txtSubject.focus();
   return false;
 }
}
//================================================================================================>>
function alterNate(elm){
            if (!elm.base) elm.base = elm.value
            if (elm.value == elm.base) elm.value = "";
            else if (elm.value == "") elm.value = elm.base;
        }