function strTrim(tmpStr)
{
	var i;
	for (i=0; i < tmpStr.length; ++i)
		if (tmpStr.charAt(i) != " ") break;
	tmpStr = tmpStr.substring(i);
	for (i=tmpStr.length - 1; i >= 0; --i)
		if (tmpStr.charAt(i) != " ") break;
	tmpStr = tmpStr.substring(0, i + 1);
	return tmpStr;
}

function validate()
{


    var strZip =document.getElementById("ctl00_ContentPlaceHolder1_ZipCode").value;
	if (strZip == "" || strZip.length != 5)
	{
		alert("Please enter a valid zip code.");
		document.getElementById("ctl00_ContentPlaceHolder1_ZipCode").focus();
		document.getElementById("ctl00_ContentPlaceHolder1_ZipCode").select();
		return false;
	}

	var a,ch;
	for(a=0;a<strZip.length;a++)
		{
		ch=strZip.charAt(a);
		if (!(ch >= "0" && ch <= "9"))
			{
			alert("Please enter a valid zip code.");
			document.getElementById("ctl00_ContentPlaceHolder1_ZipCode").focus();
			document.getElementById("ctl00_ContentPlaceHolder1_ZipCode").select();
			return false;
		}
	}

    if((document.getElementById("ctl00_ContentPlaceHolder1_MakeID").selectedIndex == 0) )
      {
        alert("Please choose a make.")
        document.getElementById("ctl00_ContentPlaceHolder1_MakeID").focus();
        return false;  
      }

  
 
var url = "/DealersInformation.aspx?ZipCode="+strZip+"&MakeID="+document.getElementById("ctl00_ContentPlaceHolder1_MakeID").options[document.getElementById("ctl00_ContentPlaceHolder1_MakeID").selectedIndex].value+"&PageIndex=0&NumRows=10";
window.location= url;
}