function Is(){
var agent		= navigator.userAgent.toLowerCase();
this.major		= parseInt(navigator.appVersion);
this.minor		= parseFloat(navigator.appVersion);
this.dom		= document.getElementById?1:0;
this.k			= (agent.indexOf('konqueror') != -1);
this.ko			= (this.k && Number(agent.substring(agent.indexOf('konqueror') + 10,agent.indexOf('konqueror') + 13)) > 3);
this.ns			= ((agent.indexOf('mozilla') != -1) && ((agent.indexOf('spoofer') == -1) && (agent.indexOf('compatible') == -1)));
this.ns0		= (this.ns && this.major < 5);
this.ns			= (this.dom && this.ns && this.major == 5);
this.safari		= (agent.indexOf('safari') != -1);
this.ie			= (agent.indexOf('msie') != -1);
this.o			= (agent.indexOf('opera') != -1);
this.op			= (this.o && Number(agent.substring(agent.indexOf('opera') + 6,agent.indexOf('opera') + 9)) > 7);
}
var is = new Is();

function ta(arg1,arg2,arg3,arg4){
switch(arg1){
	case 'tog':
		if(arg2.offsetHeight > 24){
			ta('swap',arg2,'none');
			}
		else{
			ta('swap',arg2,'block');
			}
	break;
	case 'swap':
		for(i = 1 ; i < arg2.childNodes.length ; i++){
			if(arg2.childNodes[i].tagName == 'A' || arg2.childNodes[i].tagName == 'B'){
				arg2.childNodes[i].style.display = arg3;
				}
			}
	break;
	}
}

function checkEvt(e){
if(is.ns || is.safari || is.ko){
	ccDrag = e.target;
	if(ccDrag == '[object Text]')ccDrag = e.target.parentNode;
	myX = e.pageX;
	myY = e.pageY;
	}
if(is.ie || is.op){
	ccDrag = window.event.srcElement;
	myX = window.event.clientX - 2;
	myY = window.event.clientY - 2;
	}
if(myX < 250 && ccDrag.tagName == 'H1'){
	ta('tog',ccDrag = ccDrag.parentNode);
	}
return true;
}

document.onmousedown = checkEvt;