function CHK(){
if (typeof document.body.style.maxHeight != "undefined") {
		var sample = document.documentElement.clientWidth ;
		if( sample >= 950){
		document.getElementById("head").style.position = "fixed"
		document.getElementById("navigation").style.position = "fixed"
		document.getElementById("wrap").style.paddingTop = 90 + 'px'
		}else{
		document.getElementById("head").style.position = ""
		document.getElementById("navigation").style.position = ""
		document.getElementById("wrap").style.paddingTop = 13 + 'px'
		}
	}else{
	document.getElementById("head").style.position = ""
	document.getElementById("navigation").style.position = ""
	document.getElementById("wrap").style.paddingTop = 4 + 'px'
	}
}