agt=navigator.userAgent.toLowerCase();
ie=(document.all) ? 1:0
	ie4=(agt.indexOf('msie 4')!=-1) ? 1:0
	ie5=(agt.indexOf('msie 5')!=-1) ? 1:0
	ns4=(document.layers && parseInt(navigator.appVersion)>=4) ? 1:0

latest=(document.getElementById) ? 1:0
	opera=(agt.indexOf("opera")!=-1) ? 1:0
	gecko=(agt.indexOf("gecko")!=-1) ? 1:0
   ie55=(agt.indexOf("msie 5.5")!=-1) ? 1:0
   ie6=(agt.indexOf("msie 6")!=-1) ? 1:0

	win=( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) )
	mac=(agt.indexOf("mac")!=-1);
   imgs=(document.images) ? 1:0

//browser vars
ie = ie4 || ie5 || ie6;
ns = (ns4)?1:0
best=(latest)?1:0

function winopen(_url,_w,_h){
    window.open(_url,'_blank','width='+_w+',height='+_h+',toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0')
}

function check_form(obj){
    for (i=0;i<obj.length;i++){
        if (obj[i].value == ''){alert('All fields are required!');return false}
    }
}

function check_form_leaflet(obj){
    reqf = new Array('lname','fname','street','city','country','mail')
    for (i=0;i<reqf.length;i++){
        if (obj[reqf[i]].value == ''){alert('Please fill the required fields!');return false}
    }
    obj.body.value = 'Last name: '+obj.lname.value+'\r\nFirst name: '+obj.fname.value+'\r\nStreet: '+obj.street.value+'\r\nCity: '+obj.city.value+'\r\nCountry: '+obj.country.value+'\r\nÒåë.: '+obj.phone.value+'\r\nÔàêñ: '+obj.fax.value+'\r\n-------------\r\n\r\nRequested materials:\r\n'
    for(i=0;i<7;i++){
        if(eval("obj.vc"+i+".checked")) obj.body.value = obj.body.value+eval("obj.vc"+i+".value")+'\r\n'
    }
    for(i=0;i<4;i++){
        if(eval("obj.hi"+i+".checked")) obj.body.value = obj.body.value+eval("obj.hi"+i+".value")+'\r\n'
    }
}