var resizemode=2
function imgresize(o){
	 	if (resizemode==2 || o.onmousewheel){
	 	if(o.width > 700 ){
				o.style.width='680px';
			}
			//if(o.height > 800){
				//o.style.height='800px';
			//}
		}else{
		var parentNode=o.parentNode.parentNode
		if (parentNode){
		if (o.offsetWidth>=parentNode.offsetWidth) o.style.width='90%';
		}else{
		var parentNode=o.parentNode
		if (parentNode){
			if (o.offsetWidth>=parentNode.offsetWidth) o.style.width='90%';
			}
		}
	}
	}