// JavaScript Document
// Written by DragonFly
// QQ:29059637 E-mail:zapman74@qq.com

function DF_caseTag(id){
	for(var i=1;i<=tagCounts;i++) document.getElementById("case_tags_handle_"+i).className="";
	document.getElementById("case_tags_handle_"+id).className="current";
	document.getElementById("case_tags_title").innerHTML=eval("tagTitle"+id);
	document.getElementById("case_tags_preview").innerHTML=eval("tagPreview"+id)+"...";
}

function DF_newsTag(id){document.getElementById("newsTag_"+id).className="current";}

function DF_job(obj){
	if(obj.style.height=="auto") obj.style.height=21;
	else obj.style.height="auto";
}

function DF_fontsize(size){document.getElementById("news_content").style.fontSize=size+"px";}

function DF_windowClose(){
	window.opener=null;
	window.open("","_self");
	window.close();
}

function DF_checkForm(formName){
	switch(formName){
		case "formContact":
			var truename=document.formContact.truename;
			var tel=document.formContact.tel;
			var qq=document.formContact.qq;
			var content=document.formContact.content;
			if(truename.value==""){alert("提交失败\n请填写您的姓名"); truename.focus(); return false;}
			if(tel.value==""){alert("提交失败\n请填写您的电话号码"); tel.focus(); return false;}
			if(!(/^[0-9]{1,15}$/.test(tel.value))){alert("提交失败\n电话号码必须由纯数字组成"); tel.select(); return false;}
			if(qq.value!=""&&!(/^[0-9]{1,12}$/.test(qq.value))){alert("提交失败\nQQ号码必须由纯数字组成"); qq.select(); return false;}
			if(content.value==""){alert("提交失败\n请填写留言内容"); content.focus(); return false;}
	}
	document.formContact.submit();
}