function putParentURLIntoForm(FormName){
var form = document.getElementById(FormName);
form.elements['parent_url'].value = parent.location.href;
}




function toggle(div_id) {
	
	var el = document.getElementById(div_id);

	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
	
}




function blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
	var popUpDiv = document.getElementById(popUpDivVar);
	popUpDiv_height=blanket_height/2-250;//150 is half popup's height
	//popUpDiv.style.top = popUpDiv_height + 'px';
}
function window_pos(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-285;//150 is half popup's width
	popUpDiv.style.left = window_width + 'px';
}

function popup(windowname) {
	
	blanket_size(windowname);
	window_pos(windowname);
	toggle('blanket');
	toggle(windowname);
			
}

function showPopUp(action){
	if (action == 'sendpage'){
		
 		popup('popUpDivSendPage');
	}
	
}

/*
function closePopUp(popupname){
	
	//toggle('blanket');
	toggle(popupname);
}
*/

function closeFromIFrame(div_id) {
var el = parent.document.getElementById(div_id);
el.style.display = 'none';
var blanket = parent.document.getElementById('blanket');
blanket.style.display = 'none';
}

function closeFeedback() {
	
	var el = document.getElementById('feedback_div');
	el.style.display = 'none';
	var blanket = parent.document.getElementById('blanket');
	blanket.style.display = 'none';
	
}