var checkobj

function agreesubmit(el)
{
	checkobj=el
	if (document.all||document.getElementById){
		for (i=0;i<checkobj.form.length;i++){  //hunt down submit button
			var tempobj=checkobj.form.elements[i]
			if(tempobj.type.toLowerCase()=="submit")
			tempobj.disabled=!checkobj.checked
		}
	}
}