function checkspecialsymbol(string)
{
	var iChars = "~!@#$%^&*()_+|}[';/.,?><:”}{`0123456789";
	for (var i = 0; i < string.length; i++) 
	{	
		if (iChars.indexOf(string.charAt(i))!= -1) 
		{	
			return false;
		}
	 }
	 return true;	
 }

function checkspecialcharacter(string)
{
	var iChars = "~!@#$%^&*()_+|}[';/.,?><:”}{`";
	for (var i = 0; i < string.length; i++) 
	{	
		if (iChars.indexOf(string.charAt(i))!= -1) 
		{	
			return false;
		}
	 }
	 return true;	
 }


function checkblankcompose()
{
	x=document.frmcompose;
	if(x.receiverEmail.value==""){
		document.getElementById('colemail').innerHTML='<span class="FloatLeft">&nbsp;<img src="images/exl.jpg" alt="img" /></span><span class="Light12 Red">&nbsp; Please enter username</span>';
		return false;
	}
	
	nm = x.receiverEmail.value;
	nm = nm.toString().toLowerCase();
	
	if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(x.receiverEmail.value))){
		document.getElementById('colemail').innerHTML="<img src='images/exl.jpg' border='0'>&nbsp;&nbsp;<font class='Light12 Red'>Please Enter valid Email Id..</font>";
		x.receiverEmail.focus();
		return false;
	}else{
		htmlDataC('checkEmailCompose.php?nm='+nm,'colemail');
	}
	
	if(x.subject.value=="")	{
		document.getElementById('colsub').innerHTML='<span class="FloatLeft">&nbsp;<img src="images/exl.jpg" alt="img" /></span><span class="Light12 Red">&nbsp; Please enter subject</span>';
		return false;
	}
	
	return true;
	
}


function checkblankcontact()
{
	if(document.getElementById("name").value==""){
		document.getElementById('colname').style.display="";
		document.getElementById('colname').innerHTML="<img src='images/exl.jpg' border='0'>&nbsp;<font class='Light12 Red'>Please enter your name</font>";
		return false;
	}
	if(!checkspecialsymbol(document.getElementById("name").value)){
		document.getElementById('colname').style.display="";
		document.getElementById('colname').innerHTML="<img src='images/exl.jpg' border='0'>&nbsp;<font class='Light12 Red'>Name should not accept any special character or numbers</font>";
		return false;
	}

	if(document.getElementById("email").value==""){
		document.getElementById('colemail').style.display="";
		document.getElementById('colemail').innerHTML='<span class="FloatLeft">&nbsp;<img src="images/exl.jpg" alt="img" /></span><span class="Light12 Red">&nbsp; Please enter Email Id</span>';
		return false;
	}

	
	if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.getElementById("email").value))){
		document.getElementById('colemail').style.display="";
		document.getElementById('colemail').innerHTML="<img src='images/exl.jpg' border='0'>&nbsp;&nbsp;<font class='Light12 Red'>Please Enter valid Email Id..</font>";
		
		return false;
	}

	 if(document.getElementById("comments").value==""){
		document.getElementById('colcomments').style.display="";
		document.getElementById('colcomments').innerHTML="<img src='images/exl.jpg' border='0'>&nbsp;<font class='Light12 Red'>Please select question category</font>";
		return false;
	}
	if(!checkspecialcharacter(document.getElementById("comments").value)){
		document.getElementById('colcomments').style.display="";
		document.getElementById('colcomments').innerHTML="<img src='images/exl.jpg' border='0'>&nbsp;<font class='Light12 Red'>Comment should not accept any special character</font>";
		return false;
	}

	return true;
	
}




function chkemptyfrm()

{
	
	 if(document.getElementById("message").value==""){
		document.getElementById('colDescription').style.display="";
		document.getElementById('colDescription').innerHTML="<img src='images/exl.jpg' border='0'>&nbsp;<font class='Light12 Red'>Please Enter your message</font>";
		return false;
	}
	

	return true;
}


function chk(did)
{
	document.getElementById(did).innerHTML="";
}

function showadd()
{
	if(document.getElementById('addsignature').style.display=='none'){
		document.getElementById('addsignature').style.display='block';
	}else{
		document.getElementById('addsignature').style.display='none';
	}
}



function showaddemail()
{
	if(document.getElementById('selectemail').style.display=='none'){
		document.getElementById('selectemail').style.display='block';
	}else{
		document.getElementById('selectemail').style.display='none';
	}
}

function setemail(Value)
{
	
	if(Value != ""){
		var val=Value.split('+');
		document.getElementById('displayreceiverEmail').disabled=false;
		document.getElementById('receiverEmail').value=val[0];
		document.getElementById('displayreceiverEmail').value=val[1];
		document.getElementById('selectemail').style.display='none';
	}
	
}