function onKeyPressBlockNumbers(e,txt)
{

	
	if(e.keyCode == 45 || e.keyCode == 8 || e.keyCode == 9 || e.keyCode == 189 || e.keyCode == 109 || e.keyCode == 37 || e.keyCode == 39 || e.keyCode == 46)		
	return e.keyCode;                                        

			if(txt.length>5  && e.keyCode !=13)			
			{

				return false;
			}
			else if(e.keyCode ==13)			
			{

				gotomap()
				return false;			
			}
	   
	var key = window.event ? e.keyCode : e.which;
	var keychar = String.fromCharCode(key);
	reg = /\d/;
	return reg.test(keychar);
}
function gotomap()
{
	var txtzip = document.getElementById('txtzip');
	/*if(txtzip.value=='' || txtzip.value.length < 5)
	{ 
			alert('Please Enter Valid Zip Code');
			txtzip.focus(); 
			return false;
	}*/
	location.href = "location.php?zip=" + txtzip.value;
}
/*
 function onKeyPressBlockNumbers(e,txt)
{
//alert('2');
	if(e.keyCode == 45 || e.keyCode == 13 || e.keyCode == 8 || e.keyCode == 9 || e.keyCode == 189 || e.keyCode == 109 || e.keyCode == 37 || e.keyCode == 39 || e.keyCode == 46)		
	return e.keyCode;                                        
			if(txt.length>5 )			return false;
	   
	var key = window.event ? e.keyCode : e.which;
	var keychar = String.fromCharCode(key);
	reg = /\d/;
	return reg.test(keychar);
}

*/