function trim(str)
{
	return str.replace(/^\s+|\s+$/g,'');
}
function validate()
{
	if(trim(document.getElementById("txtName").value)=="")
	{
		alert("Please enter your name");
		document.getElementById("txtName").focus();
		return false;
	}
	if(document.getElementById("txtEmail").value.length>0)
	{
		if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.getElementById("txtEmail").value))
		{
		}
		else
		{
			alert("Invalid E-mail Address! Please re-enter.");
			document.getElementById("txtEmail").focus();
			document.getElementById("txtEmail").select();
			return false;
		}
	}
	else
	{
			alert("Please enter your EmailID");
			document.getElementById("txtEmail").focus();
			document.getElementById("txtEmail").select();
			return false;
	}
	if(trim(document.getElementById("txtMobile").value)=="")
	{
		alert("Please enter your mobile number");
		document.getElementById("txtMobile").focus();
		return false;
	}
	if(trim(document.getElementById("txtComments").value)=="")
	{
		alert("Please enter your commets");
		document.getElementById("txtComments").focus();
		return false;
	}
	document.getElementById("frmContact").submit();
	return true;
}

function check_contact()
{
	if(trim(document.getElementById("txtName").value)=="")
	{
		alert("Please enter your name");
		document.getElementById("txtName").focus();
		return false;
	}
	if(trim(document.getElementById("txtCompany").value)=="")
	{
		alert("Please enter your company name");
		document.getElementById("txtCompany").focus();
		return false;
	}
	if(trim(document.getElementById("txtAddress").value)=="")
	{
		alert("Please enter your address");
		document.getElementById("txtAddress").focus();
		return false;
	}
	if(document.getElementById("txtEmail").value.length>0)
	{
		if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.getElementById("txtEmail").value))
		{
		}
		else
		{
			alert("Invalid E-mail Address! Please re-enter.");
			document.getElementById("txtEmail").focus();
			document.getElementById("txtEmail").select();
			return false;
		}
	}
	else
	{
			alert("Please enter your EmailID");
			document.getElementById("txtEmail").focus();
			document.getElementById("txtEmail").select();
			return false;
	}
	if(trim(document.getElementById("txtPhone").value)=="")
	{
		alert("Please enter your mobile number");
		document.getElementById("txtPhone").focus();
		return false;
	}
	if(trim(document.getElementById("txtComments").value)=="")
	{
		alert("Please enter your requirments");
		document.getElementById("txtComments").focus();
		return false;
	}
	document.getElementById("frmContactus").submit();
	return true;
}
function check_feedback()
{
	if(trim(document.getElementById("txtNames").value)=="")
	{
		alert("Please enter your name");
		document.getElementById("txtNames").focus();
		return false;
	}
	if(document.getElementById("txtEmails").value.length>0)
	{
		if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.getElementById("txtEmails").value))
		{
		}
		else
		{
			alert("Invalid E-mail Address! Please re-enter.");
			document.getElementById("txtEmails").focus();
			document.getElementById("txtEmails").select();
			return false;
		}
	}
	else
	{
			alert("Please enter your EmailID");
			document.getElementById("txtEmails").focus();
			document.getElementById("txtEmails").select();
			return false;
	}
	if(trim(document.getElementById("txtCommentss").value)=="")
	{
		alert("Please enter your commets");
		document.getElementById("txtCommentss").focus();
		return false;
	}
	document.getElementById("frmFeedback").submit();
	return true;
}
function display_port(val)
{
	count=document.getElementById("hdncount").value;
	for(i=1;i<=count;i++)
	{	
		eqval=document.getElementById("hdncids_"+i).value;
		if(eqval==val)
		{
			if(document.getElementById("div_port_"+val).style.display=="block")
			{
				document.getElementById("div_port_"+val).style.display="none";
				document.getElementById("img_arrow_"+val).src="images/arrowup.gif";
			}
			else
			{
				document.getElementById("div_port_"+val).style.display="block";
				document.getElementById("img_arrow_"+val).src="images/arrowdw.gif";
			}
		}
		else
		{
			document.getElementById("div_port_"+eqval).style.display="none";
			document.getElementById("img_arrow_"+eqval).src="images/arrowup.gif";
		}
	}
}