function validateForm(contact)
{

if(""==document.forms.contact.fullName.value)
{
alert("Please Enter your Full Name.");
document.forms.contact.fullName.focus();
return false;
}

if(""==document.forms.contact.email.value)
{
alert("Please Enter your Email ID.");
document.forms.contact.email.focus();
return false;
} else if(echeck(document.forms.contact.email.value)==false){

		document.forms.contact.email.value=""
		document.forms.contact.email.focus()
		return false
}

if(""==document.forms.contact.query.value)
{
alert("Please Enter your Query here.");
document.forms.contact.query.focus();
return false;
}

}


function download_validateForm(contact)
{
	if(""==document.forms.contact.fullName.value)
{
alert("Please Enter your Full Name.");
document.forms.contact.fullName.focus();
return false;
}

if(""==document.forms.contact.company.value)
{
alert("Please Enter your Company Name.");
document.forms.contact.company.focus();
return false;
}

if(""==document.forms.contact.designation.value)
{
alert("Please Enter your Designation.");
document.forms.contact.designation.focus();
return false;
}

if(""==document.forms.contact.email.value)
{
alert("Please Enter your Email ID.");
document.forms.contact.email.focus();
return false;
} else if(echeck(document.forms.contact.email.value)==false){

		document.forms.contact.email.value=""
		document.forms.contact.email.focus()
		return false
}

if(""==document.forms.contact.telephone.value)
{
alert("Please Enter your Telephone number here.");
document.forms.contact.telephone.focus();
return false;
}

if(""==document.forms.contact.country.value)
{
alert("Please Enter your Country Name here.");
document.forms.contact.country.focus();
return false;
}

}

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 emailID=document.frmSample.txtEmail
	
	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
	}
	return true
 }