// JavaScript Document
function toggleButtonImage( bt,img,html)
{
	document.getElementById(bt).innerHTML="<img src=\""+img+"\"  border='0'>";
	//alert("<img src='"+img+"'  border='0'>");
	//alert(document.getElementById(bt).innerHTML);
}
function loadPage(page)
{
	window.open(page);
}
function hilightText(elementid)
{
	var topicid ="selectedtopic";
	selectedtopicid =document.getElementById(topicid);
	element=document.getElementById(elementid);
	if (element!=null)
	{
		if (selectedtopicid!=null)
		{
			//alert ("==>"+selectedtopicid.id);
			selectedtopicid.className="";
			selectedtopicid.id=selectedtopicid.name;
		}
		
		//alert (element.id);
		element.id =topicid;
		selectedtopicid =document.getElementById(topicid);
		selectedtopicid.name=elementid;
		//alert (element.id);
		element.className="topiclevelbg";
	}
	
	
	//alert (element.id);
}

 function trim (str) {
        
        return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
	}
	function check_email(str){
	 
	 var filter=/^.+@.+\..{2,3}$/
	
	 if (filter.test(str))
		result=true
	 else {
		alert("Please input a valid email address!")
		result=false
	}
	 return (result)
	}


function submitform(form)
{

  	//alert (form.name);
 	
  	var name = trim(form.name.value).length;
   	var email = trim(form.email.value).length;
	var mob = trim(form.mobile.value).length;
	var subj = trim(form.subj.value).length;
	var bodytxt = trim(form.bodytxt.value).length;
	var isvalidemail = check_email(trim(form.email.value));
    if (name >0 && email >0 && mob >0 && subj>0 && bodytxt >0)
	{ 
		document.forms['contactform'].submit();
	}
	else
	{
		alert ("Please check mandatory fields (*). You must provide the mandatory fields and valid email address. ");
	}
}
function loadhtm(fragment_url,element_id)
{
	//alert (fragment_url + element_id);
	
	
	if(navigator.appName == "Microsoft Internet Explorer") {
	  xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
	  xmlhttp = new XMLHttpRequest();
	} 
	
	
    var element = document.getElementById(element_id);
    //element.innerHTML = '<p><em>Loading ...</em></p>';
	//document.getElementById("loader").className ="screenbg";
	
    xmlhttp.open("GET", fragment_url);
    xmlhttp.onreadystatechange = function() 
	{
        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) 
		{
            element.innerHTML = xmlhttp.responseText;
        }
    }
    xmlhttp.send(null);


}