function showPop(thisimg,showhide){
	
	if(showhide == 'h'){
		document.getElementById('popimg').style.backgroundImage = '';
		document.getElementById('popup').style.minHeight = '';
		document.getElementById('popup').style.visibility = 'hidden';
		}
	else {
		document.getElementById('popimg').style.backgroundImage = 'url('+thisimg+')';
		document.getElementById('popcontent').style.marginTop = (document.documentElement.clientHeight- 370) /2 +'px';
		document.getElementById('popup').style.minHeight = '600px';
		scroll(0,0);
		document.getElementById('popup').style.visibility = 'visible';
	}
}