function startmarquee(lh,speed,delay,index){ 
var t; 
var p=false; 
var o=document.getElementById("marqueebox"+index); 
o.innerHTML+=o.innerHTML; 
o.onmouseover=function(){p=true} 
o.onmouseout=function(){p=false} 
o.scrollTop = 0; 

function start(){ 
t=setInterval(scrolling,speed); 
if(!p) o.scrollTop += 2; 
} 

function scrolling(){ 
if(o.scrollTop%lh!=0){ 
o.scrollTop += 2; 
if(o.scrollTop>=o.scrollHeight/2) o.scrollTop = 0; 
}else{ 
clearInterval(t); 
setTimeout(start,delay); 
} 
} 
setTimeout(start,delay); 
} 

function checknull(str)
{
	if (str.length<1)
	  {
	  return(true);
	  }
	else
	{
	  return(false);
	}
}

function imgzoom(o) {
	if(event.ctrlKey) {
		var zoom = parseInt(o.style.zoom, 10) || 100;
		zoom -= event.wheelDelta / 12;
		if(zoom > 0) {
			o.style.zoom = zoom + '%';
		}
		return false;
	} else {
		return true;
	}
}