function changeSelect(obj,rowid)
		{
			row_obj = document.getElementById(rowid);
			if(obj=='Other')
			{
				row_obj.style.display='';
			}
			else
			{
				row_obj.style.display='none';
			}
		}

function controlDiv(chkid,boxid1)
{
	boxObj1		= document.getElementById(boxid1);
	chkobj		= document.getElementById(chkid);
	if(chkobj.checked==true)
	{
		boxObj1.style.display	= "";
	}
	else
	{
		boxObj1.style.display	= "none";
	}
}

function show()
	{
		var obj1= document.getElementById("s1");
		var obj2= document.getElementById("div1");
		if(obj1.checked== true)
		{
			obj2.style.display="";
		}
		else
		{
			obj2.style.display="none";
		}
	}

function validate_frm()
{
frm=document.feedback;

	if(frm.fname.value == "")
	{
		alert("Please enter your First name");
		frm.fname.focus();
		return false;
	}
	if(!isAlpha(frm.fname))
		{ 
			alert("Please Enter Alphabets Only");
			frm.fname.focus();
			frm.fname.select();
			return false; 
		}
	if(frm.cname.value == "")
	{
		alert("Please enter your Company Name");
		frm.cname.focus();
		return false;
	}
	if(isNaN(frm.phone.value))
		{
			alert("Please Enter a valid Phone number");
			frm.phone.select();
			return false;
		}
	if(isNaN(frm.fax.value))
		{
			alert("Please Enter a valid Fax number");
			frm.fax.select();
			return false;
		}
	if(frm.txtemail.value==''){
		alert("Please enter your Email ID");
		frm.txtemail.focus();
		return false;
	}else{
		if(!isEmail(frm.txtemail.value)){
			alert("Please enter a valid Email ID")
			frm.txtemail.focus();
			return false;
		}	
	}

/*Email Validation function*/
function isEmail (s)
	{   
		var i = 1;
		var sLength = s.length;

		while ((i < sLength) && (s.charAt(i) != "@"))
		{ i++
		}
		if ((i >= sLength) || (s.charAt(i) != "@")) return false;
		else i += 2;
		while ((i < sLength) && (s.charAt(i) != "."))
		{ i++
		}
		if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
		else return true;
	} 	
}