function switchdisplay(item,style)
{

	if(!style)
		style='inline';

	itemview=document.getElementById(item).style.display;
	if (itemview=='none')
		itemview=style;
	else
		itemview='none';

	document.getElementById(item).style.display = itemview;
}


function fffswitchdisplay(item)
{
	itemview=document.getElementById(item).style.display;
	if (itemview=='none')
		itemview='inline';
	else
		itemview='none';

	document.getElementById(item).style.display = itemview;
}

function eFocus(field){
  if (field.value == field.defaultValue){
    field.value ='';
  }
  field.className="BEmail";
}

function eBlur(field){
  if (field.value == ''){
    field.value = field.defaultValue;
    field.className="REmail";
  }else{
    field.className="BEmail";
  }
}

function setLocation(url) {
	window.location.href = url;
}

function confirmSetLocation(message, url){
 if( confirm(message) ) {
 setLocation(url);
 }
 return false;
}

function appendRow(item_type)
{
	var tbody = document.getElementById(item_type).getElementsByTagName("tbody")[0];
	var row = document.createElement("tr");
	var cell1 = document.createElement("td");

	if(item_type=="youtube_video"){
		 cell1.innerHTML = "<input type=\"text\" name=\"youtube_url[]\" /><input type=\"button\" value=\"Delete\" onclick=\"deleteRow(this,'youtube_video')\">";
	} else if(item_type=="image"){
		 cell1.innerHTML = "<input type=\"file\" name=\"userfile[]\" /><input type=\"button\" value=\"Delete\" onclick=\"deleteRow(this,'image')\">";
	}

	row.appendChild(cell1);
	tbody.appendChild(row);

}

function deleteRow(r,table_id)
{
	var i=r.parentNode.parentNode.rowIndex;
	document.getElementById(table_id).deleteRow(i);
}