function removeElement(element1) {

  		var d 			= 	document.getElementById('mod_recommend');

		var rem_child 	= 	document.getElementById(element1);
		d.removeChild(rem_child);
	}

	function addEmail(){

		//create new table row
		var new_row 		=	document.createElement("tr");
		//update row_count for tracking tr element

		var row_count 	= 	Number(document.getElementById("row_count").value);

		new_row.setAttribute("id", row_count);
		
		var new_row_count = row_count + 1;
		document.getElementById("row_count").value = new_row_count;

		//create table cell

		var new_col 	= 	document.createElement("td");

		new_col.setAttribute("colspan", "2");
		new_col.innerHTML = "Email    ";

		//add table cell in new row
		new_row.appendChild(new_col);

		//create text box for email 
		var email_box 	= 	document.createElement("input");
		email_box.setAttribute("name", "txtRecipients[]");
		email_box.setAttribute("size", "40");
		email_box.setAttribute("class", "required validate-email");
		new_col.appendChild(email_box);
		new_col.innerHTML	+= 	' &nbsp';

		//create a link to remove email_box
		var email_link 			= 	document.createElement("a");
		email_link.innerHTML 	= 	"Remove ";
		email_link.setAttribute("style", "cursor:pointer;");
		email_link.setAttribute("onclick", "removeElement(" + row_count + ")");

		new_col.appendChild(email_link);

		var form_table = document.getElementById("mod_recommend");
		form_table.appendChild(new_row);
	}



	function showTable(){

		document.getElementById("mod_recommend").className 	= 	"showTable";
		document.getElementById("tbl_actions").className 	= 	"showTable";
		document.getElementById("hideText").className 		= 	"showTable";
		
		document.getElementById("txtName").focus();
	}

	

	function hideTable(){

		document.getElementById("mod_recommend").className 	= 	"hideTable";
		document.getElementById("tbl_actions").className 	= 	"hideTable";
		document.getElementById("hideText").className 		= 	"hideTable";
		
		document.getElementById("mod_recommend").focus();
	}



	function validate(f) {

	   if (document.formvalidator.isValid(f)) {

		  f.check.value='<?php echo JUtility::getToken(); ?>'; //send token
		  return true; 
	   }
	   else {
		  alert('Some values are not acceptable.  Please check the form again.');
	   }
	   return false;
	}