var xmlHttp

function searchproducts(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="http://www.exantia.co.uk/getsizes.php"
url=url+"?q_product="+str
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function pvc_quote(stra, strb, strc, strd)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="http://www.exantia.co.uk/getpvcsizes.php"
url=url+"?q_length="+stra
url=url+"&q_width="+strb
url=url+"&q_quantity="+strc
url=url+"&q_units="+strd
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=statequoteChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function statequoteChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
document.getElementById("quote_ammount").innerHTML=xmlHttp.responseText 
} 
}





function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
document.getElementById("txtHint").innerHTML=xmlHttp.responseText 
} 
}
function statepvcChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
document.getElementById("units_w_h").innerHTML=xmlHttp.responseText 
} 
}



function GetXmlHttpObject()
{ 
var XMLHttp=null
if (window.XMLHttpRequest)
  {
  XMLHttp=new XMLHttpRequest()
  }
if (window.ActiveXObject)
  {
  XMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
  }
return XMLHttp
}

function pvcsizes(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="http://www.exantia.co.uk/getpvcsizes.php"
url=url+"?q_unit="+str
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=statepvcChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}