// JavaScript Document

//png画像のIE6対応用

if (typeof document.documentElement.style.maxHeight == "undefined") {
		// IE 6.0
var clear="../img/share/clear.gif" //path to clear.gif

pngfix=function(){var els=document.getElementsByTagName('*');var ip=/\.png/i;var i=els.length;while(i-- >0){var el=els[i];var es=el.style;if(el.src&&el.src.match(ip)&&!es.filter){es.height=el.height;es.width=el.width;es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+el.src+"',sizingMethod='crop')";el.src=clear;}else{var elb=el.currentStyle.backgroundImage;if(elb.match(ip)){var path=elb.split('"');var rep=(el.currentStyle.backgroundRepeat=='no-repeat')?'crop':'scale';es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+path[1]+"',sizingMethod='"+rep+"')";es.height=el.clientHeight+'px';es.backgroundImage='none';var elkids=el.getElementsByTagName('*');if (elkids){var j=elkids.length;if(el.currentStyle.position!="absolute")es.position='static';while (j-- >0)if(!elkids[j].style.position)elkids[j].style.position="relative";}}}}}
window.attachEvent('onload',pngfix);

}

//functions for form control
//alert("loaded");
var min_height = '50px';
var max_height = '250px';

function set_default_status(){
	if (document.getElementById('radio2_3').checked==true){
		document.getElementById('st').disabled = false;
	} else {
		deactivate_area(document.getElementById('st'), 1);
	}
}

function deactivate_area(target, flg){
	if (flg == 1){
		target.disabled = true;
		target.style.height=min_height;
	} else {
		if (flg == 0){
			target.disabled = false;
			target.style.height=max_height;
		}
	}
}

function change_area(target, flg){
	if (flg == 1){
		target.style.height=max_height;
	} else {
		if (flg == 0){
			target.style.height=min_height;
		}
	}
}