function sb_textclear(ob, txtmsg){
	if(ob.value==txtmsg){
	ob.value="";
	}
}
function sb_textset(ob, txtmsg){
	if(ob.value==""){
	ob.value=txtmsg;
	}
}

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 ValidateForm(){
	var name=document.vform.f_name
	var lastname=document.vform.last_name
	var emailID=document.vform.email
	var street=document.vform.st_add
	var po_code=document.vform.po_code
	var city=document.vform.city
	var st_provin=document.vform.st_provin
	var telephone =document.vform.telephone
	var password =document.vform.pass
	var country =document.vform.country
	
	if ((name.value==null)||(name.value=="")){
		alert("Please Enter your First Name")
		name.focus()
		return false
	}
	if ((lastname.value==null)||(lastname.value=="")){
		alert("Please Enter your Last Name")
		lastname.focus()
		return false
	}
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	if ((street.value==null)||(street.value=="")){
		alert("Please Enter Street Name")
		street.focus()
		return false
	}
	if ((po_code.value==null)||(po_code.value=="")){
		alert("Please Enter Post Code Name")
		po_code.focus()
		return false
	}
	if ((city.value==null)||(city.value=="")){
		alert("Please Enter City Name")
		city.focus()
		return false
	}
	if ((st_provin.value==null)||(st_provin.value=="")){
		alert("Please Enter State/Province Name")
		st_provin.focus()
		return false
	}
	if ((country.value==null)||(country.value=="")){
		alert("Please Select Country")
		country.focus()
		return false
	}
	if ((telephone.value==null)||(telephone.value=="")){
		alert("Please Enter your Telephone")
		telephone.focus()
		return false
	}
	if ((password.value==null)||(password.value=="")){
		alert("Please Enter your Password")
		password.focus()
		return false
	}
	
	return true
 }