function isEmail(elem){
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if(elem.value.match(emailExp)){
	   return true;
	}else{
	   return false;
	}
}

function validate()
{
	try
	{
		if(document.form1.name.value=="" || document.form1.name.value=="Name")
		{
			alert('Please Enter Name !');
			document.form1.name.focus();
			return false;
		}
		
		
		
		if(document.form1.email.value=="" || document.form1.email.value=="Email:")
		{
			alert('Please Enter Email Id !');
			document.form1.email.focus();
			return false;
		}
		else if(!isEmail(document.form1.email))
		{
			alert('Email Id is not valid !');
			document.form1.email.focus();
			return false;
		}
		if(document.form1.interest.value=="" || document.form1.interest.value=="I am interested in")
		{
			alert('Please Enter I am interested in !');
			document.form1.interest.focus();
			return false;
		}
		if(document.form1.quantity.value=="" || document.form1.quantity.value=="Patch or Pin Quantity")
		{
			alert('Please Enter Patch or Pin Quantity !');
			document.form1.quantity.focus();
			return false;
		}
		if(document.form1.size.value=="" || document.form1.size.value=="Patch or Pin Size")
		{
			alert('Please Enter Patch or Pin Size !');
			document.form1.size.focus();
			return false;
		}
		if(document.form1.backing.value=="" || document.form1.backing.value=="Backing")
		{
			alert('Please Enter Backing !');
			document.form1.backing.focus();
			return false;
		}
	
		if(document.form1.message.value=="" || document.form1.message.value=="Message:")
		{
			alert('Please Enter Message !');
			document.form1.message.focus();
			return false;
		}
		
		return true;
	}
	catch(e)
	{
		alert(e);
	}
}