function validateEmail(form1){      
       var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
       return emailPattern.test(form1); 
   }
   function chkform(form1)
   {
	    if(document.form1.name.value=="")
    {
     alert("please enter your name");
     document.form1.name.focus();
     return false;
    }
	 if(document.form1.date.value=="")
    {
     alert("please select Day");
     document.form1.date.focus();
     return false;
    }
	if(document.form1.month.value=="")
    {
     alert("please select Month");
     document.form1.month.focus();
     return false;
    }
	if(document.form1.year.value=="")
    {
     alert("please select Year");
     document.form1.year.focus();
     return false;
    }
	
	
    if(document.form1.email.value=="" || document.form1.email.value=="Email:")
    {
     alert("please enter email address");
     document.form1.email.focus();
     return false;
    }
    if(!validateEmail(document.form1.email.value))
    {
     alert("please enter correct email address");
     document.form1.email.focus();
     return false;
    }

    if(document.form1.areacode.value=="" || document.form1.areacode.value=="Area code")
    {
     alert("please enter your Areacode");
     document.form1.areacode.focus();
     return false;
    }
	 if(document.form1.phone.value=="" || document.form1.phone.value=="Phone")
    {
     alert("please enter your Phone");
     document.form1.phone.focus();
     return false;
    }
	 if(document.form1.mobile.value=="" || document.form1.mobile.value=="Mobile")
    {
     alert("please enter your Mobile");
     document.form1.mobile.focus();
     return false;
    }
	 if(document.form1.firstline.value=="" || document.form1.firstline.value=="First Line")
    {
     alert("please enter your First Line");
     document.form1.firstline.focus();
     return false;
    }
	 if(document.form1.secondline.value=="" || document.form1.secondline.value=="Second Line")
    {
     alert("please enter your Second Line");
     document.form1.secondline.focus();
     return false;
    }
	
	 if(document.form1.city.value=="" || document.form1.city.value=="City")
    {
     alert("please enter your City");
     document.form1.city.focus();
     return false;
    }
	
	 if(document.form1.state.value=="" || document.form1.state.value=="State")
    {
     alert("please enter your State");
     document.form1.state.focus();
     return false;
    }
	
	 if(document.form1.country.value=="" || document.form1.country.value=="Country")
    {
     alert("please enter your Country");
     document.form1.country.focus();
     return false;
    }
	 if(document.form1.picnode.value=="" || document.form1.picnode.value=="Picnode")
    {
     alert("please enter your Picnode");
     document.form1.picnode.focus();
     return false;
    }
	
	
    if(document.form1.message.value=="" || document.form1.message.value=="Message:")
    {
     alert("please enter comments");
     document.form1.message.focus();
     return false;
    }
    return true;
   }