function printpreview(){
	window.print();
/*
	if (isIE()){
		window.print();
		var OLECMDID = 7;
		// OLECMDID values:
		// 6 - print
		// 7 - print previw
		// 1 - open window
		//4 - Save As
		//
		var PROMPT = 1; // 2 DONTPROMPTUSER 
		var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
		document.body.insertAdjacentHTML('beforeEnd', WebBrowser); 
		WebBrowser1.ExecWB(OLECMDID, PROMPT);
		WebBrowser1.outerHTML = "";
	}else{
	 	window.print();
	}
	*/
}		

function isIE(){
	var browser=navigator.appName
	var b_version=navigator.appVersion
	var version=parseFloat(b_version)
	if (browser=="Microsoft Internet Explorer"){
	 return true;
	}else{
	 return false;
	}
}