var XMLHttpRequestObject = null;
var loadstatustext="<img src='img/main/loading.gif' /> <span class='success'>Requesting content...</span>";

if (window.XMLHttpRequest) {
		XMLHttpRequestObject = new XMLHttpRequest();
} else if (window.ActiveXObject) {
		XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHttp");
}else{
        alert("browser not supported");
}

function getData(dataSource, divID) {
	
		
		
	if(XMLHttpRequestObject) {
		
			var obj = document.getElementById(divID);
			XMLHttpRequestObject.open("GET", dataSource);
			obj.innerHTML = loadstatustext;
			XMLHttpRequestObject.onreadystatechange = function() {
				if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) {
					obj.innerHTML = XMLHttpRequestObject.responseText;
				}
			}
		XMLHttpRequestObject.send(null);
    }

}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function validation(){

      var email=document.getElementById('email').value;
	  var cname=document.getElementById('cname').value;
	  var subj=document.getElementById('subj').value;
	  var msge=document.getElementById('msge').value;
	  var detector=0;

	  if(email==""){
	     document.getElementById('mailformdiv').innerHTML="<input name='email' type='text' class='regtxt' id='email'  size='30' maxlength='30' /> <span class='error'>Invalid Email Address</span>";
		 detector=1;
	  }else{
         if (email.indexOf("@")==-1 || email.indexOf("@")==0 || email.indexOf("@")==email.length){
			detector=1;
         }
		 
		 if (email.indexOf(".") == -1 || email.indexOf(".")==0 || email.indexOf(".")==email.length){
			detector=1;
         }
		 
		 if(detector==0){
		 	document.getElementById('mailformdiv').innerHTML="<input name='email' type='text' class='regtxt' id='email'  size='30' maxlength='30' value='" + email + "' />";
		 }else{
		 	document.getElementById('mailformdiv').innerHTML="<input name='email' type='text' class='regtxt' id='email'  size='30' maxlength='30' value='" + email + "' /> <span class='error'>Invalid Email Address</span>";
		 }
	  }
	  
	  if(cname==""){
	     document.getElementById('nameformdiv').innerHTML="<input name='cname' type='text' class='regtxt' id='cname' size='40' maxlength='49' /> <span class='error'>Required</span>";
		 detector=1;
	  }else{
	  	 document.getElementById('nameformdiv').innerHTML="<input name='cname' type='text' class='regtxt' id='cname' size='40' maxlength='49' value='" + cname + "'  />";
	  }
	  
	  if(subj==""){
	     document.getElementById('subjformdiv').innerHTML="<input name='subj' type='text' class='regtxt' id='subj' size='40' maxlength='49' /> <span class='error'>Required</span>";
		 detector=1;
	  }else{
	  	 document.getElementById('subjformdiv').innerHTML="<input name='subj' type='text' class='regtxt' id='subj' size='40' maxlength='49' value='" + subj + "' />";
	  }

	  if(msge==""){
	     document.getElementById('characters').innerHTML="<span class='error'>Required</span>";
		 detector=1;
	  }else{
	  	 if(msge.length>200){
	  	 	document.getElementById('characters').innerHTML="<span class='error'>Required</span>";
		    detector=1;
		}
	  }

	  if(detector==1){
		 return false;
	  }else{
		 return true;
	  }
 }
 
 function characters(){
 	var msge=document.getElementById('msge').value;
	var msgelength=msge.length;
	var charleft=200-msgelength;
	document.getElementById('characters').innerHTML='<span class="regtxt">' + charleft + ' character/s left</span>';
 }