function fixImageHeightWidth(){
	if(document.getElementById('thumbnail1')&&document.getElementById('img1')) {
		var dvW =document.getElementById('thumbnail1').offsetWidth;
		var dvH = document.getElementById('thumbnail1').offsetHeight;
		var imgW = document.getElementById('img1').offsetWidth;
		var imgH = document.getElementById('img1').offsetHeight;
		/*document.getElementById('img1').style.marginLeft = (dvW - imgW)/2-1 + "px";
		document.getElementById('img1').style.marginTop = (dvH - imgH)/2 + "px";*/
	}
	
	if(document.getElementById('thumbnail1')&&document.getElementById('img2')) {
		var dvW =document.getElementById('thumbnail2').offsetWidth;
		var dvH = document.getElementById('thumbnail2').offsetHeight;
		var imgW = document.getElementById('img2').offsetWidth;
		var imgH = document.getElementById('img2').offsetHeight;
		/*document.getElementById('img2').style.marginLeft = (dvW - imgW)/2-1 + "px";
		document.getElementById('img2').style.marginTop = (dvH - imgH)/2 + "px";*/
	}

	if(document.getElementById('thumbnail1')&&document.getElementById('img3')) {
		var dvW =document.getElementById('thumbnail3').offsetWidth;
		var dvH = document.getElementById('thumbnail3').offsetHeight;
		var imgW = document.getElementById('img3').offsetWidth;
		var imgH = document.getElementById('img3').offsetHeight;
		/*document.getElementById('img3').style.marginLeft = (dvW - imgW)/2-1 + "px";
		document.getElementById('img3').style.marginTop = (dvH - imgH)/2 + "px";*/
	}

	if(document.getElementById('thumbnail1')&&document.getElementById('img4')) {
		var dvW =document.getElementById('thumbnail4').offsetWidth;
		var dvH = document.getElementById('thumbnail4').offsetHeight;
		var imgW = document.getElementById('img4').offsetWidth;
		var imgH = document.getElementById('img4').offsetHeight;
		/*document.getElementById('img4').style.marginLeft = (dvW - imgW)/2-1 + "px";
		document.getElementById('img4').style.marginTop = (dvH - imgH)/2 + "px";*/
	}
}