function contact_checkform()
{
	
		var j = new RegExp(/^([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5})$/);
	if (document.frm_contactus.name.value=="")
	{
	alert('Please fill Name');
	document.frm_contactus.name.focus();
	return false;	
	}
	else if (document.frm_contactus.comment.value=="")
	{
	alert('Please fill Comment')	;
	document.frm_contactus.comment.focus();
	return false;	
	}
	else if (document.frm_contactus.email.value=="")
	{
	alert('Please fill E-mail Address')	;
	document.frm_contactus.email.focus();
	return false;	
	}
	else if (!j.test(document.frm_contactus.email.value) )
	{ 
			alert("Email format is not correct.");
			document.frm_contactus.email.focus();
			return false;
	}
	else if (document.frm_contactus.phone.value=="")
	{
	alert('Please fill Phone Number')	;
	document.frm_contactus.phone.focus();
	return false;
	}	
	else
	{		
		return true;
	}
}

function formvalidate() {			
		var r = document.form2;
		var j = new RegExp(/^([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5})$/);
		
		var firstname=r['firstname'];
		var lastname = r['lastname'];
		var email = r['email'];
		var phone = r['phone'];
		var thedate = r['thedate'];
		var themonth = r['themonth'];
		var thetime = r['thetime'];
		
		if (firstname.value == "")
		{
				alert("Please fill in your first name.");
				r.firstname.focus();
				return false;						
		} 
		if (lastname.value == "")
		{
				alert("Please fill in your last name.");
				lastname.focus();
				return false;						
		} 
		if (email.value=='') {
			alert("Please fill in your email address.");
			email.focus();
			return false;
		}
		else if (!j.test(email.value)) { 
			alert("Email format is not correct.");
			email.focus();
			return false;
		}
		if (phone.value.length != 8)
		{
				alert("Please fill in your 8 digits phone number.");
				phone.focus();
				return false;						
		} 
		var dateok=0;
		for(var i=1; i < thedate.length; i++){
			
			if(thedate[i].selected) {
				dateok++;
			}
		}
		if(dateok==0) {
			alert("Please select the Date.");
			thedate.focus();
			return false;						
		} 
		dateok=0;
		for(var i=1; i < themonth.length; i++){
			
			if(themonth[i].selected) {
				dateok++;
			}
		}
		if(dateok==0) {
			alert("Please select the Month.");
			themonth.focus();
			return false;						
		}
		
		var dateok=0;
		for(var i=1; i < thetime.length; i++){
			
			if(thetime[i].selected) {
				dateok++;
			}
		}
		if(dateok==0) {
			alert("Please select the Time.");
			thetime.focus();
			return false;						
		} 
		return true;
}

function formvalid() {			
		var r = document.form2;
		var j = new RegExp(/^([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5})$/);
		
		var firstname=r['firstname'];
		var lastname = r['lastname'];
		var email = r['email'];
		var phone = r['phone'];
		
		if (firstname.value == "")
		{
				alert("Please fill in your first name.");
				r.firstname.focus();
				return false;						
		} 
		if (lastname.value == "")
		{
				alert("Please fill in your last name.");
				lastname.focus();
				return false;						
		} 
		if (email.value=='') {
			alert("Please fill in your email address.");
			email.focus();
			return false;
		}
		else if (!j.test(email.value)) { 
			alert("Email format is not correct.");
			email.focus();
			return false;
		}
		if (phone.value == "")
		{
				alert("Please fill in your phone.");
				phone.focus();
				return false;						
		} 
		var count=0;
			var b=r['interests[]'];
			for(var i=0; i < b.length; i++){
				
				if(b[i].checked) {
					count++;
				}
			}
			if(count==0) {
				alert("Please select at least one of interests area.");
				return false;
			}
		
		return true;
}

function slideaboutus(){
//if browser does not support the image object, exit.
if (!document.images)
return
/*document.images.slide.src=eval("image"+step+".src")
document.images.slide.title=eval("image"+step+".title")
document.images.slide.caption=eval("image"+step+".caption")*/
if (step<3)
step++
else
step=1
//call function "slideit()" every 2.5 seconds
setTimeout("slideaboutus()",5000)
}
function slideit(){
//if browser does not support the image object, exit.
if (!document.images)
return
/*document.images.slide.src=eval("image"+step+".src")
document.images.slide.title=eval("image"+step+".title")
document.images.slide.caption=eval("image"+step+".caption")
var elem = document.getElementById("myText");
elem.value=eval("image"+step+".title")*/
//document.label.label1.innerhtml=eval("image"+step+".title");
if (step<2)
step++
else
step=1
//call function "slideit()" every 10 seconds
setTimeout("slideit()",10000)
}