function checkval()
{
	msg="";
	if (form1.name1.value=="")
	{
		msg+="Please in type a name first!";
	}
	
	if(msg!="")
	{
		alert(msg);
		form1.name1.select();
		return false;
	}
else return true;
}
var xmlHttp

function showHint(str)
{
if (str.length==0)
{ 
document.getElementById("txtHint").innerHTML=""
return
}
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="/gethint.php"
url=url+"?q="+str
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
} 

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("txtHint").innerHTML=xmlHttp.responseText 
		document.getElementById("txtHint").style.display="block";
	} 
else document.submit();
} 

function GetXmlHttpObject()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
} 

function showsource(dv,descr)
{		document.getElementById('srce').display='block';
		document.getElementById('srce').innerHTML=descr;
}
function changefnt(fntsz)
{
	document.getElementById("hdtext").style.fontSize=fntsz+"px";
	document.getElementById("maintext").style.fontSize=fntsz+"px";
	
	var len1=document.getElementsByTagName("p").length;
	for(i=0;i<len1;i++){
	document.getElementsByTagName("p")[i].style.fontSize=fntsz+"px";
	}
	
	
	var 	len2=document.getElementsByTagName("a").length;
	for(i=60;i<len2-7;i++){
	document.getElementsByTagName("a")[i].style.fontSize=fntsz+"px";}
	var len3=document.getElementsByTagName("h2").length;
	for(i=0;i<len3;i++){
	document.getElementsByTagName("h2")[i].style.fontSize=fntsz+"px";
	}
	var len4=document.getElementsByTagName("h4").length;
	for(i=0;i<len4;i++){
	document.getElementsByTagName("h4")[i].style.fontSize=fntsz+"px";
	}
}

function showmen(x){
	document.getElementById(x).display="block";

}
function enl_image(b_imgheight,b_imgwidth,light,fade)
{
	var wid=parseInt(b_imgwidth)+5;
	var ht=parseInt(b_imgheight)+5;
	document.getElementById(fade).style.display='block';
	document.getElementById(light).style.display='block';
	document.getElementById(light).style.height=ht+'px';
	document.getElementById(light).style.width=wid+'px';
}

function exp(section,img)
{
if((document.getElementById(section).style.display=="")||(document.getElementById(section).style.display=="none"))
{
		document.getElementById(section).style.display="block";
		
		document.getElementById(img).alt="Click to collapse";
		document.getElementById(img).title="Click to collapse";
		document.getElementById(img).src="/images/col_arrow.gif";


}
else 
{
	document.getElementById(section).style.display="none";
	document.getElementById(img).src="/images/exp_arrow.gif";
	document.getElementById(img).alt="Click to expand";

}
}//function