function lib_bwcheck(){ 
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}



function pdf(page)
{
var Browser = navigator.userAgent.toLowerCase();
var win  = (Browser.indexOf("win")!=-1);
var mac  = (Browser.indexOf("mac")!=-1);

	if (mac) 
	{ 
	window.location.href=page;
	}



	else 
	{
		if (self.screen) { 
            sw = screen.width
            sh = screen.height
            w = 820;
			h = 540;
          
			cx = (.5*sw) - (w*.5)
			cy = (.5*sh) - (h*.5)
            
			var  para = 'status=no,scrollbars=no,resizable=no,directories=no,menubar=0,width='+w+','+'height='+h+',' + 'screenX=' +cx+','+'screenY='+cy+','+'left='+cx+','+'top='+cy
            }

 Pop=window.open(page,"pdf",para);  

 
	}
	
}