function show(table_id)
{
	eval("document.all."+table_id+".style.visibility='visible';");
}
function fold_in(table_id)
{
	eval("document.all."+table_id+".style.visibility='hidden';");
}
function validate_form(Form)
{
	var nam=Form.nam.value;
	var email=Form.email.value;
	var state=Form.state.value;
	var country=Form.country.value;
	var source=Form.source.value;
	var comments=Form.comments.value;
	var msg="";
	var flag=0;
	
	if(nam == "")
	{
		msg=msg+"Please Enter Your Name\n";
	}
	if(email == "")
	{
		msg=msg+"Please Enter Your Email\n";
	}
	if(email!="")
	{
		for(i=0;i<email.length;i++)
		{
				if(email.charAt(i)=='@')
				{
						flag=1;
				}
				if(email.charAt(i)=='.')
				{
						flag=flag+1;
				}
		}
					if(flag<2)
					{
						msg=msg+"Please enter a valid email for"+'\n';
					}
	}
	if(state == "")
	{
		msg=msg+"Please Enter Your State\n";
	}
	if(country == "")
	{
		msg=msg+"Please Enter Your Country\n";
	}
	if(source == "")
	{
		msg=msg+"Please Enter-How do you know about us?\n"
	}
	if(comments == "")
	{
		msg=msg+"Please Enter Your Feedback"
	}
	if(msg == "")
	{
		return true;
	}
	else
	{
		alert(msg);
		return false;
	}
}