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,intBoxHeight) {
	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/2-75;//150 is half popup's height
	popUpDiv_height = document.body.parentNode.clientHeight/2-intBoxHeight;

	popUpDiv.style.top = popUpDiv_height + 'px';
}

function window_pos(popUpDivVar,intBoxWidth) {
	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-intBoxWidth;//150 is half popup's width
	popUpDiv.style.left = window_width + 'px';
}

function popup(windowname) {
	var intBoxHeight = 75;
	var intBoxWidth = 150;
	blanket_size(windowname,intBoxHeight);
	window_pos(windowname,intBoxWidth);
	toggle('blanket');
	toggle(windowname);		
}

function popup2(windowname,ID) {
	var intBoxHeight = 75;
	var intBoxWidth = 150;
	blanket_size(windowname,intBoxHeight);
	window_pos(windowname,intBoxWidth);
	toggle('blanket');
	toggle(windowname);	
	document.form.frmNotesID.value = ID;

}

function popup3(windowname,intBoxHeight,intBoxWidth) {
	blanket_size(windowname,intBoxHeight);
	window_pos(windowname,intBoxWidth);
	toggle('blanket');
	toggle(windowname);	
	/*document.form.frmCandidateNotesID.value = ID;*/

}

function popupConfirm(windowname) {
	var intBoxHeight = 75;
	var intBoxWidth = 100;
	blanket_size(windowname,intBoxHeight);
	window_pos(windowname,intBoxWidth);
	toggle('blanket');
	toggle(windowname);	

}
