function menuovt(id){
	var submenu, menu;
	for(var i=1;i<=6;i++){
		menu=document.getElementById("menu"+i);
		submenu=document.getElementById("submenu"+i);
		if(i==id){
			if(i>0){
			menu.className="menu_a_hover";
			submenu.style.display="block";
			}else{
			menu.className="";
			submenu.style.display="block";
			}
		}else{
			menu.className="";
			submenu.style.display="none";
		}
	}
}

function img_auto_size(p,w,h){
	var pw,ph;
	var c;
	pw = p.width;
	ph = p.height;
	if(w>0 && pw>w){ph=ph*(w/pw);pw=w;}
	if(h>0 && ph>h){pw=pw*(h/ph);ph=h;}
	p.width=pw;
	p.height=ph;
}

function mhHover(cls){
	event.srcElement.className = cls;
}

function checkNumber(par_val){
	if(par_val==""){
		return(false);
	}else{
		for(i=0; i<par_val.length; i++){
			if (par_val.substring(i, i+1)!="."){
				if (par_val.substring(i, i+1)<"0" || par_val.substring(i, i+1)>"9"){
					return(false);
				}
			}
		}
		return(true);
	}
}

function reloadcode(){
	document.getElementById("span_securitycode").innerHTML="<img src=\"SecurityCode.asp\" align=\"absmiddle\" style=\"cursor:pointer;height:20px;\" onClick=\"reloadcode();\" />";
}