var xmlhttp
var dd1,dd2,dd3,dd4
function convert(amount,country1,country2,country3,country4,key)
 {
   xmlhttp=null
   var key1=key
       
   var url='currency/currency.jsp?amount='+ amount + '&country1='+ country1 +'&country2='+ country2 +'&country3='+ country3 +'&country4=' + country4
   		   
   if(window.XMLHttpRequest)
     {
      xmlhttp=new XMLHttpRequest()
     }
   else if(window.ActiveXObject)
     {
       xmlhttp=new ActiveXObject("Microsoft.XMLHTTP")
     }
    if(xmlhttp!=null)
       {
          if(key==1)
           {
	     xmlhttp.onreadystatechange=state_change
	     xmlhttp.open('Get',url,true)
	     xmlhttp.send(null)
	   }
	  if(key==2)
           {
	     xmlhttp.onreadystatechange=state_change1
	     xmlhttp.open('Get',url,true)
	     xmlhttp.send(null)
	   }
	  if(key==3)
           {
	     xmlhttp.onreadystatechange=state_change2
	     xmlhttp.open('Get',url,true)
	     xmlhttp.send(null)
	   }
	  if(key==4)
           {
	     xmlhttp.onreadystatechange=state_change3
	     xmlhttp.open('Get',url,true)
	     xmlhttp.send(null)
	   } 
	}
     else
       {
	   alert("Hai Your Browser is Not Supporting You");
        }		 
  }

function state_change()
  {
    if(xmlhttp.readyState==4)
      {
	if(xmlhttp.status==200)
	  {
	    //document.getElementById('ar').innerHTML=xmlhttp.responseText
	    document.getElementById('amount1').value=xmlhttp.getResponseHeader(dd2)
	    document.getElementById('amount2').value=xmlhttp.getResponseHeader(dd3)
	    document.getElementById('amount3').value=xmlhttp.getResponseHeader(dd4)
	   }
	 else
	   {
	     alert("There is a problem in rerieving data :"+xmlhttp.statusText);
	   } 

      }
  }

function state_change1()
  {
    if(xmlhttp.readyState==4)
     {
	  if(xmlhttp.status==200)
	   {
	      //document.getElementById('ar').innerHTML=xmlhttp.responseText
	      document.getElementById('amount').value=xmlhttp.getResponseHeader(dd2)
	      document.getElementById('amount2').value=xmlhttp.getResponseHeader(dd3)
	      document.getElementById('amount3').value=xmlhttp.getResponseHeader(dd4)
	   }
	  else
	   {
	     alert("There is a problem in rerieving data :"+xmlhttp.statusText);
	   } 
     }
  }
 
 function state_change2()
  {
    if(xmlhttp.readyState==4)
      {
	if(xmlhttp.status==200)
	  {
	    //document.getElementById('ar').innerHTML=xmlhttp.responseText
	    document.getElementById('amount').value=xmlhttp.getResponseHeader(dd2)
	    document.getElementById('amount1').value=xmlhttp.getResponseHeader(dd3)
	    document.getElementById('amount3').value=xmlhttp.getResponseHeader(dd4)
	   }
	 else
	   {
	     alert("There is a problem in rerieving data :"+xmlhttp.statusText);
	   } 

      }
  } 
  
function state_change3()
  {
    if(xmlhttp.readyState==4)
      {
  	 if(xmlhttp.status==200)
	  {
	    //document.getElementById('ar').innerHTML=xmlhttp.responseText
	    document.getElementById('amount').value=xmlhttp.getResponseHeader(dd2)
	    document.getElementById('amount1').value=xmlhttp.getResponseHeader(dd3)
	    document.getElementById('amount2').value=xmlhttp.getResponseHeader(dd4)
	   }
	 else
	   {
	     alert("There is a problem in rerieving data :"+xmlhttp.statusText);
	   } 

      }
  }  

  
function ourvalue()
  {
    dd=document.currency.amount.value
    dd1=document.currency.country1.value
    dd2=document.currency.country2.value
    dd3=document.currency.country3.value
    dd4=document.currency.country4.value
    var key="1"
    convert(dd,dd1,dd2,dd3,dd4,key)
    
  }
function ourvalue1()
  {
    dd=document.currency.amount1.value
    dd2=document.currency.country1.value
    dd1=document.currency.country2.value
    dd3=document.currency.country3.value
    dd4=document.currency.country4.value
    var key="2"
    convert(dd,dd1,dd2,dd3,dd4,key)
  }
  
function ourvalue2()
  {
    dd=document.currency.amount2.value
    dd2=document.currency.country1.value
    dd3=document.currency.country2.value
    dd1=document.currency.country3.value
    dd4=document.currency.country4.value
    var key="3"
    convert(dd,dd1,dd2,dd3,dd4,key)
  } 
  
function ourvalue3()
  {
      dd=document.currency.amount3.value
      dd2=document.currency.country1.value
      dd3=document.currency.country2.value
      dd4=document.currency.country3.value
      dd1=document.currency.country4.value
      var key="4"
      convert(dd,dd1,dd2,dd3,dd4,key)
  }