iframe タグの親子ページの値 pass_html/css_WEB-ITnose

<iframe src="child.html?a=1&b=2&c=3"></iframe>

function Request(argname){  			 var url = document.location.href;  			 var arrStr = url.substring(url.indexOf("?")+1).split("&");  			//return arrStr;  			for(var i =0;i<arrStr.length;i++) {  				 var loc = arrStr[i].indexOf(argname+"=");  				 if(loc!=-1){  					 return arrStr[i].replace(argname+"=","").replace("?","");  					 break;  				}  			}  		return "";  		}

var a= Request("a");var b= Request("b");var c= Request("c");

var word   =	parent.say();

window.parent.id="123"

<iframe name="myframe" src="child.html"></iframe>

myframe.window.functionName();